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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Browse Source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (52 commits)
  IB/mlx4: Use kzalloc() for new QPs so flags are initialized to 0
  mlx4_core: Use MOD_STAT_CFG command to get minimal page size
  RDMA/cma: Simplify locking needed for serialization of callbacks
  RDMA/addr: Keep pointer to netdevice in struct rdma_dev_addr
  RDMA/cxgb3: Fixes for zero STag
  RDMA/core: Add local DMA L_Key support
  IB/mthca: Fix check of max_send_sge for special QPs
  IB/mthca: Use round_jiffies() for catastrophic error polling timer
  IB/mthca: Remove "stop" flag for catastrophic error polling timer
  IPoIB: Double default RX/TX ring sizes
  IPoIB/cm: Reduce connected mode TX object size
  IB/ipath: Use IEEE OUI for vendor_id reported by ibv_query_device()
  IPoIB: Use dev_set_mtu() to change mtu
  IPoIB: Use rtnl lock/unlock when changing device flags
  IPoIB: Get rid of ipoib_mcast_detach() wrapper
  IPoIB: Only set Q_Key once: after joining broadcast group
  IPoIB: Remove priv->mcast_mutex
  IPoIB: Remove unused IPOIB_MCAST_STARTED code
  RDMA/cxgb3: Set rkey field for new memory windows in iwch_alloc_mw()
  RDMA/nes: Get rid of ring_doorbell parameter of nes_post_cqp_request()
  ...
This commit is contained in:
Linus Torvalds 2008-07-15 08:01:15 -07:00
commit 97c7d1ea1f
124 changed files with 1629 additions and 932 deletions
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42
drivers/infiniband/core/addr.c
View File

@ -4,28 +4,33 @@
* Copyright (c) 1999-2005, Mellanox Technologies, Inc. All rights reserved.
* Copyright (c) 2005 Intel Corporation. All rights reserved.
*
* This Software is licensed under one of the following licenses:
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* 1) under the terms of the "Common Public License 1.0" a copy of which is
* available from the Open Source Initiative, see
* http://www.opensource.org/licenses/cpl.php.
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 2) under the terms of the "The BSD License" a copy of which is
* available from the Open Source Initiative, see
* http://www.opensource.org/licenses/bsd-license.php.
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* 3) under the terms of the "GNU General Public License (GPL) Version 2" a
* copy of which is available from the Open Source Initiative, see
* http://www.opensource.org/licenses/gpl-license.php.
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* Licensee has the right to choose one of the above licenses.
*
* Redistributions of source code must retain the above copyright
* notice and one of the license notices.
*
* Redistributions in binary form must reproduce both the above copyright
* notice, one of the license notices in the documentation
* and/or other materials provided with the distribution.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/mutex.h>
@ -100,6 +105,7 @@ int rdma_copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
memcpy(dev_addr->broadcast, dev->broadcast, MAX_ADDR_LEN);
if (dst_dev_addr)
memcpy(dev_addr->dst_dev_addr, dst_dev_addr, MAX_ADDR_LEN);
dev_addr->src_dev = dev;
return 0;
}
EXPORT_SYMBOL(rdma_copy_addr);

2
drivers/infiniband/core/agent.h
View File

@ -32,8 +32,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: agent.h 1389 2004-12-27 22:56:47Z roland $
*/
#ifndef __AGENT_H_

2
drivers/infiniband/core/cache.c
View File

@ -31,8 +31,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: cache.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/module.h>

2
drivers/infiniband/core/cm.c
View File

@ -31,8 +31,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: cm.c 4311 2005-12-05 18:42:01Z sean.hefty $
*/
#include <linux/completion.h>

162
drivers/infiniband/core/cma.c
View File

@ -4,29 +4,33 @@
* Copyright (c) 1999-2005, Mellanox Technologies, Inc. All rights reserved.
* Copyright (c) 2005-2006 Intel Corporation. All rights reserved.
*
* This Software is licensed under one of the following licenses:
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* 1) under the terms of the "Common Public License 1.0" a copy of which is
* available from the Open Source Initiative, see
* http://www.opensource.org/licenses/cpl.php.
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* 2) under the terms of the "The BSD License" a copy of which is
* available from the Open Source Initiative, see
* http://www.opensource.org/licenses/bsd-license.php.
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* 3) under the terms of the "GNU General Public License (GPL) Version 2" a
* copy of which is available from the Open Source Initiative, see
* http://www.opensource.org/licenses/gpl-license.php.
*
* Licensee has the right to choose one of the above licenses.
*
* Redistributions of source code must retain the above copyright
* notice and one of the license notices.
*
* Redistributions in binary form must reproduce both the above copyright
* notice, one of the license notices in the documentation
* and/or other materials provided with the distribution.
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/completion.h>
@ -126,8 +130,7 @@ struct rdma_id_private {
struct completion comp;
atomic_t refcount;
wait_queue_head_t wait_remove;
atomic_t dev_remove;
struct mutex handler_mutex;
int backlog;
int timeout_ms;
@ -351,26 +354,15 @@ static void cma_deref_id(struct rdma_id_private *id_priv)
complete(&id_priv->comp);
}
static int cma_disable_remove(struct rdma_id_private *id_priv,
static int cma_disable_callback(struct rdma_id_private *id_priv,
enum cma_state state)
{
unsigned long flags;
int ret;
spin_lock_irqsave(&id_priv->lock, flags);
if (id_priv->state == state) {
atomic_inc(&id_priv->dev_remove);
ret = 0;
} else
ret = -EINVAL;
spin_unlock_irqrestore(&id_priv->lock, flags);
return ret;
}
static void cma_enable_remove(struct rdma_id_private *id_priv)
{
if (atomic_dec_and_test(&id_priv->dev_remove))
wake_up(&id_priv->wait_remove);
mutex_lock(&id_priv->handler_mutex);
if (id_priv->state != state) {
mutex_unlock(&id_priv->handler_mutex);
return -EINVAL;
}
return 0;
}
static int cma_has_cm_dev(struct rdma_id_private *id_priv)
@ -395,8 +387,7 @@ struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler,
mutex_init(&id_priv->qp_mutex);
init_completion(&id_priv->comp);
atomic_set(&id_priv->refcount, 1);
init_waitqueue_head(&id_priv->wait_remove);
atomic_set(&id_priv->dev_remove, 0);
mutex_init(&id_priv->handler_mutex);
INIT_LIST_HEAD(&id_priv->listen_list);
INIT_LIST_HEAD(&id_priv->mc_list);
get_random_bytes(&id_priv->seq_num, sizeof id_priv->seq_num);
@ -923,7 +914,7 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
struct rdma_cm_event event;
int ret = 0;
if (cma_disable_remove(id_priv, CMA_CONNECT))
if (cma_disable_callback(id_priv, CMA_CONNECT))
return 0;
memset(&event, 0, sizeof event);
@ -970,7 +961,7 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
event.param.conn.private_data_len = IB_CM_REJ_PRIVATE_DATA_SIZE;
break;
default:
printk(KERN_ERR "RDMA CMA: unexpected IB CM event: %d",
printk(KERN_ERR "RDMA CMA: unexpected IB CM event: %d\n",
ib_event->event);
goto out;
}
@ -980,12 +971,12 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
/* Destroy the CM ID by returning a non-zero value. */
id_priv->cm_id.ib = NULL;
cma_exch(id_priv, CMA_DESTROYING);
cma_enable_remove(id_priv);
mutex_unlock(&id_priv->handler_mutex);
rdma_destroy_id(&id_priv->id);
return ret;
}
out:
cma_enable_remove(id_priv);
mutex_unlock(&id_priv->handler_mutex);
return ret;
}
@ -998,6 +989,7 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id,
union cma_ip_addr *src, *dst;
__be16 port;
u8 ip_ver;
int ret;
if (cma_get_net_info(ib_event->private_data, listen_id->ps,
&ip_ver, &port, &src, &dst))
@ -1022,10 +1014,11 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id,
if (rt->num_paths == 2)
rt->path_rec[1] = *ib_event->param.req_rcvd.alternate_path;
ib_addr_set_sgid(&rt->addr.dev_addr, &rt->path_rec[0].sgid);
ib_addr_set_dgid(&rt->addr.dev_addr, &rt->path_rec[0].dgid);
ib_addr_set_pkey(&rt->addr.dev_addr, be16_to_cpu(rt->path_rec[0].pkey));
rt->addr.dev_addr.dev_type = RDMA_NODE_IB_CA;
ret = rdma_translate_ip(&id->route.addr.src_addr,
&id->route.addr.dev_addr);
if (ret)
goto destroy_id;
id_priv = container_of(id, struct rdma_id_private, id);
id_priv->state = CMA_CONNECT;
@ -1095,7 +1088,7 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
int offset, ret;
listen_id = cm_id->context;
if (cma_disable_remove(listen_id, CMA_LISTEN))
if (cma_disable_callback(listen_id, CMA_LISTEN))
return -ECONNABORTED;
memset(&event, 0, sizeof event);
@ -1116,7 +1109,7 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
goto out;
}
atomic_inc(&conn_id->dev_remove);
mutex_lock_nested(&conn_id->handler_mutex, SINGLE_DEPTH_NESTING);
mutex_lock(&lock);
ret = cma_acquire_dev(conn_id);
mutex_unlock(&lock);
@ -1138,7 +1131,7 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
!cma_is_ud_ps(conn_id->id.ps))
ib_send_cm_mra(cm_id, CMA_CM_MRA_SETTING, NULL, 0);
mutex_unlock(&lock);
cma_enable_remove(conn_id);
mutex_unlock(&conn_id->handler_mutex);
goto out;
}
@ -1147,11 +1140,11 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
release_conn_id:
cma_exch(conn_id, CMA_DESTROYING);
cma_enable_remove(conn_id);
mutex_unlock(&conn_id->handler_mutex);
rdma_destroy_id(&conn_id->id);
out:
cma_enable_remove(listen_id);
mutex_unlock(&listen_id->handler_mutex);
return ret;
}
@ -1217,7 +1210,7 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event)
struct sockaddr_in *sin;
int ret = 0;
if (cma_disable_remove(id_priv, CMA_CONNECT))
if (cma_disable_callback(id_priv, CMA_CONNECT))
return 0;
memset(&event, 0, sizeof event);
@ -1261,12 +1254,12 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event)
/* Destroy the CM ID by returning a non-zero value. */
id_priv->cm_id.iw = NULL;
cma_exch(id_priv, CMA_DESTROYING);
cma_enable_remove(id_priv);
mutex_unlock(&id_priv->handler_mutex);
rdma_destroy_id(&id_priv->id);
return ret;
}
cma_enable_remove(id_priv);
mutex_unlock(&id_priv->handler_mutex);
return ret;
}
@ -1282,7 +1275,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
struct ib_device_attr attr;
listen_id = cm_id->context;
if (cma_disable_remove(listen_id, CMA_LISTEN))
if (cma_disable_callback(listen_id, CMA_LISTEN))
return -ECONNABORTED;
/* Create a new RDMA id for the new IW CM ID */
@ -1294,19 +1287,19 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
goto out;
}
conn_id = container_of(new_cm_id, struct rdma_id_private, id);
atomic_inc(&conn_id->dev_remove);
mutex_lock_nested(&conn_id->handler_mutex, SINGLE_DEPTH_NESTING);
conn_id->state = CMA_CONNECT;
dev = ip_dev_find(&init_net, iw_event->local_addr.sin_addr.s_addr);
if (!dev) {
ret = -EADDRNOTAVAIL;
cma_enable_remove(conn_id);
mutex_unlock(&conn_id->handler_mutex);
rdma_destroy_id(new_cm_id);
goto out;
}
ret = rdma_copy_addr(&conn_id->id.route.addr.dev_addr, dev, NULL);
if (ret) {
cma_enable_remove(conn_id);
mutex_unlock(&conn_id->handler_mutex);
rdma_destroy_id(new_cm_id);
goto out;
}
@ -1315,7 +1308,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
ret = cma_acquire_dev(conn_id);
mutex_unlock(&lock);
if (ret) {
cma_enable_remove(conn_id);
mutex_unlock(&conn_id->handler_mutex);
rdma_destroy_id(new_cm_id);
goto out;
}
@ -1331,7 +1324,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
ret = ib_query_device(conn_id->id.device, &attr);
if (ret) {
cma_enable_remove(conn_id);
mutex_unlock(&conn_id->handler_mutex);
rdma_destroy_id(new_cm_id);
goto out;
}
@ -1347,14 +1340,17 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
/* User wants to destroy the CM ID */
conn_id->cm_id.iw = NULL;
cma_exch(conn_id, CMA_DESTROYING);
cma_enable_remove(conn_id);
mutex_unlock(&conn_id->handler_mutex);
rdma_destroy_id(&conn_id->id);
goto out;
}
mutex_unlock(&conn_id->handler_mutex);
out:
if (dev)
dev_put(dev);
cma_enable_remove(listen_id);
mutex_unlock(&listen_id->handler_mutex);
return ret;
}
@ -1446,7 +1442,7 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv,
ret = rdma_listen(id, id_priv->backlog);
if (ret)
printk(KERN_WARNING "RDMA CMA: cma_listen_on_dev, error %d, "
"listening on device %s", ret, cma_dev->device->name);
"listening on device %s\n", ret, cma_dev->device->name);
}
static void cma_listen_on_all(struct rdma_id_private *id_priv)
@ -1586,7 +1582,7 @@ static void cma_work_handler(struct work_struct *_work)
struct rdma_id_private *id_priv = work->id;
int destroy = 0;
atomic_inc(&id_priv->dev_remove);
mutex_lock(&id_priv->handler_mutex);
if (!cma_comp_exch(id_priv, work->old_state, work->new_state))
goto out;
@ -1595,7 +1591,7 @@ static void cma_work_handler(struct work_struct *_work)
destroy = 1;
}
out:
cma_enable_remove(id_priv);
mutex_unlock(&id_priv->handler_mutex);
cma_deref_id(id_priv);
if (destroy)
rdma_destroy_id(&id_priv->id);
@ -1758,7 +1754,7 @@ static void addr_handler(int status, struct sockaddr *src_addr,
struct rdma_cm_event event;
memset(&event, 0, sizeof event);
atomic_inc(&id_priv->dev_remove);
mutex_lock(&id_priv->handler_mutex);
/*
* Grab mutex to block rdma_destroy_id() from removing the device while
@ -1787,13 +1783,13 @@ static void addr_handler(int status, struct sockaddr *src_addr,
if (id_priv->id.event_handler(&id_priv->id, &event)) {
cma_exch(id_priv, CMA_DESTROYING);
cma_enable_remove(id_priv);
mutex_unlock(&id_priv->handler_mutex);
cma_deref_id(id_priv);
rdma_destroy_id(&id_priv->id);
return;
}
out:
cma_enable_remove(id_priv);
mutex_unlock(&id_priv->handler_mutex);
cma_deref_id(id_priv);
}
@ -2120,7 +2116,7 @@ static int cma_sidr_rep_handler(struct ib_cm_id *cm_id,
struct ib_cm_sidr_rep_event_param *rep = &ib_event->param.sidr_rep_rcvd;
int ret = 0;
if (cma_disable_remove(id_priv, CMA_CONNECT))
if (cma_disable_callback(id_priv, CMA_CONNECT))
return 0;
memset(&event, 0, sizeof event);
@ -2151,7 +2147,7 @@ static int cma_sidr_rep_handler(struct ib_cm_id *cm_id,
event.status = 0;
break;
default:
printk(KERN_ERR "RDMA CMA: unexpected IB CM event: %d",
printk(KERN_ERR "RDMA CMA: unexpected IB CM event: %d\n",
ib_event->event);
goto out;
}
@ -2161,12 +2157,12 @@ static int cma_sidr_rep_handler(struct ib_cm_id *cm_id,
/* Destroy the CM ID by returning a non-zero value. */
id_priv->cm_id.ib = NULL;
cma_exch(id_priv, CMA_DESTROYING);
cma_enable_remove(id_priv);
mutex_unlock(&id_priv->handler_mutex);
rdma_destroy_id(&id_priv->id);
return ret;
}
out:
cma_enable_remove(id_priv);
mutex_unlock(&id_priv->handler_mutex);
return ret;
}
@ -2564,8 +2560,8 @@ static int cma_ib_mc_handler(int status, struct ib_sa_multicast *multicast)
int ret;
id_priv = mc->id_priv;
if (cma_disable_remove(id_priv, CMA_ADDR_BOUND) &&
cma_disable_remove(id_priv, CMA_ADDR_RESOLVED))
if (cma_disable_callback(id_priv, CMA_ADDR_BOUND) &&
cma_disable_callback(id_priv, CMA_ADDR_RESOLVED))
return 0;
mutex_lock(&id_priv->qp_mutex);
@ -2590,12 +2586,12 @@ static int cma_ib_mc_handler(int status, struct ib_sa_multicast *multicast)
ret = id_priv->id.event_handler(&id_priv->id, &event);
if (ret) {
cma_exch(id_priv, CMA_DESTROYING);
cma_enable_remove(id_priv);
mutex_unlock(&id_priv->handler_mutex);
rdma_destroy_id(&id_priv->id);
return 0;
}
cma_enable_remove(id_priv);
mutex_unlock(&id_priv->handler_mutex);
return 0;
}
@ -2754,6 +2750,7 @@ static int cma_remove_id_dev(struct rdma_id_private *id_priv)
{
struct rdma_cm_event event;
enum cma_state state;
int ret = 0;
/* Record that we want to remove the device */
state = cma_exch(id_priv, CMA_DEVICE_REMOVAL);
@ -2761,15 +2758,18 @@ static int cma_remove_id_dev(struct rdma_id_private *id_priv)
return 0;
cma_cancel_operation(id_priv, state);
wait_event(id_priv->wait_remove, !atomic_read(&id_priv->dev_remove));
mutex_lock(&id_priv->handler_mutex);
/* Check for destruction from another callback. */
if (!cma_comp(id_priv, CMA_DEVICE_REMOVAL))
return 0;
goto out;
memset(&event, 0, sizeof event);
event.event = RDMA_CM_EVENT_DEVICE_REMOVAL;
return id_priv->id.event_handler(&id_priv->id, &event);
ret = id_priv->id.event_handler(&id_priv->id, &event);
out:
mutex_unlock(&id_priv->handler_mutex);
return ret;
}
static void cma_process_remove(struct cma_device *cma_dev)

2
drivers/infiniband/core/core_priv.h
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: core_priv.h 1349 2004-12-16 21:09:43Z roland $
*/
#ifndef _CORE_PRIV_H

2
drivers/infiniband/core/device.c
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: device.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/module.h>

2
drivers/infiniband/core/fmr_pool.c
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: fmr_pool.c 2730 2005-06-28 16:43:03Z sean.hefty $
*/
#include <linux/errno.h>

2
drivers/infiniband/core/mad_priv.h
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mad_priv.h 5596 2006-03-03 01:00:07Z sean.hefty $
*/
#ifndef __IB_MAD_PRIV_H__

2
drivers/infiniband/core/mad_rmpp.c
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mad_rmpp.c 1921 2005-03-02 22:58:44Z sean.hefty $
*/
#include "mad_priv.h"

2
drivers/infiniband/core/mad_rmpp.h
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mad_rmpp.h 1921 2005-02-25 22:58:44Z sean.hefty $
*/
#ifndef __MAD_RMPP_H__

2
drivers/infiniband/core/packer.c
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: packer.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/string.h>

24
drivers/infiniband/core/sa_query.c
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: sa_query.c 2811 2005-07-06 18:11:43Z halr $
*/
#include <linux/module.h>
@ -361,7 +359,7 @@ static void update_sm_ah(struct work_struct *work)
{
struct ib_sa_port *port =
container_of(work, struct ib_sa_port, update_task);
struct ib_sa_sm_ah *new_ah, *old_ah;
struct ib_sa_sm_ah *new_ah;
struct ib_port_attr port_attr;
struct ib_ah_attr ah_attr;
@ -397,12 +395,9 @@ static void update_sm_ah(struct work_struct *work)
}
spin_lock_irq(&port->ah_lock);
old_ah = port->sm_ah;
port->sm_ah = new_ah;
spin_unlock_irq(&port->ah_lock);
if (old_ah)
kref_put(&old_ah->ref, free_sm_ah);
}
static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event)
@ -413,8 +408,17 @@ static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event
event->event == IB_EVENT_PKEY_CHANGE ||
event->event == IB_EVENT_SM_CHANGE ||
event->event == IB_EVENT_CLIENT_REREGISTER) {
struct ib_sa_device *sa_dev;
sa_dev = container_of(handler, typeof(*sa_dev), event_handler);
unsigned long flags;
struct ib_sa_device *sa_dev =
container_of(handler, typeof(*sa_dev), event_handler);
struct ib_sa_port *port =
&sa_dev->port[event->element.port_num - sa_dev->start_port];
spin_lock_irqsave(&port->ah_lock, flags);
if (port->sm_ah)
kref_put(&port->sm_ah->ref, free_sm_ah);
port->sm_ah = NULL;
spin_unlock_irqrestore(&port->ah_lock, flags);
schedule_work(&sa_dev->port[event->element.port_num -
sa_dev->start_port].update_task);
@ -519,6 +523,10 @@ static int alloc_mad(struct ib_sa_query *query, gfp_t gfp_mask)
unsigned long flags;
spin_lock_irqsave(&query->port->ah_lock, flags);
if (!query->port->sm_ah) {
spin_unlock_irqrestore(&query->port->ah_lock, flags);
return -EAGAIN;
}
kref_get(&query->port->sm_ah->ref);
query->sm_ah = query->port->sm_ah;
spin_unlock_irqrestore(&query->port->ah_lock, flags);

122
drivers/infiniband/core/sysfs.c
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: sysfs.c 1349 2004-12-16 21:09:43Z roland $
*/
#include "core_priv.h"
@ -665,6 +663,120 @@ static struct class ib_class = {
.dev_uevent = ib_device_uevent,
};
/* Show a given an attribute in the statistics group */
static ssize_t show_protocol_stat(const struct device *device,
struct device_attribute *attr, char *buf,
unsigned offset)
{
struct ib_device *dev = container_of(device, struct ib_device, dev);
union rdma_protocol_stats stats;
ssize_t ret;
ret = dev->get_protocol_stats(dev, &stats);
if (ret)
return ret;
return sprintf(buf, "%llu\n",
(unsigned long long) ((u64 *) &stats)[offset]);
}
/* generate a read-only iwarp statistics attribute */
#define IW_STATS_ENTRY(name) \
static ssize_t show_##name(struct device *device, \
struct device_attribute *attr, char *buf) \
{ \
return show_protocol_stat(device, attr, buf, \
offsetof(struct iw_protocol_stats, name) / \
sizeof (u64)); \
} \
static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
IW_STATS_ENTRY(ipInReceives);
IW_STATS_ENTRY(ipInHdrErrors);
IW_STATS_ENTRY(ipInTooBigErrors);
IW_STATS_ENTRY(ipInNoRoutes);
IW_STATS_ENTRY(ipInAddrErrors);
IW_STATS_ENTRY(ipInUnknownProtos);
IW_STATS_ENTRY(ipInTruncatedPkts);
IW_STATS_ENTRY(ipInDiscards);
IW_STATS_ENTRY(ipInDelivers);
IW_STATS_ENTRY(ipOutForwDatagrams);
IW_STATS_ENTRY(ipOutRequests);
IW_STATS_ENTRY(ipOutDiscards);
IW_STATS_ENTRY(ipOutNoRoutes);
IW_STATS_ENTRY(ipReasmTimeout);
IW_STATS_ENTRY(ipReasmReqds);
IW_STATS_ENTRY(ipReasmOKs);
IW_STATS_ENTRY(ipReasmFails);
IW_STATS_ENTRY(ipFragOKs);
IW_STATS_ENTRY(ipFragFails);
IW_STATS_ENTRY(ipFragCreates);
IW_STATS_ENTRY(ipInMcastPkts);
IW_STATS_ENTRY(ipOutMcastPkts);
IW_STATS_ENTRY(ipInBcastPkts);
IW_STATS_ENTRY(ipOutBcastPkts);
IW_STATS_ENTRY(tcpRtoAlgorithm);
IW_STATS_ENTRY(tcpRtoMin);
IW_STATS_ENTRY(tcpRtoMax);
IW_STATS_ENTRY(tcpMaxConn);
IW_STATS_ENTRY(tcpActiveOpens);
IW_STATS_ENTRY(tcpPassiveOpens);
IW_STATS_ENTRY(tcpAttemptFails);
IW_STATS_ENTRY(tcpEstabResets);
IW_STATS_ENTRY(tcpCurrEstab);
IW_STATS_ENTRY(tcpInSegs);
IW_STATS_ENTRY(tcpOutSegs);
IW_STATS_ENTRY(tcpRetransSegs);
IW_STATS_ENTRY(tcpInErrs);
IW_STATS_ENTRY(tcpOutRsts);
static struct attribute *iw_proto_stats_attrs[] = {
&dev_attr_ipInReceives.attr,
&dev_attr_ipInHdrErrors.attr,
&dev_attr_ipInTooBigErrors.attr,
&dev_attr_ipInNoRoutes.attr,
&dev_attr_ipInAddrErrors.attr,
&dev_attr_ipInUnknownProtos.attr,
&dev_attr_ipInTruncatedPkts.attr,
&dev_attr_ipInDiscards.attr,
&dev_attr_ipInDelivers.attr,
&dev_attr_ipOutForwDatagrams.attr,
&dev_attr_ipOutRequests.attr,
&dev_attr_ipOutDiscards.attr,
&dev_attr_ipOutNoRoutes.attr,
&dev_attr_ipReasmTimeout.attr,
&dev_attr_ipReasmReqds.attr,
&dev_attr_ipReasmOKs.attr,
&dev_attr_ipReasmFails.attr,
&dev_attr_ipFragOKs.attr,
&dev_attr_ipFragFails.attr,
&dev_attr_ipFragCreates.attr,
&dev_attr_ipInMcastPkts.attr,
&dev_attr_ipOutMcastPkts.attr,
&dev_attr_ipInBcastPkts.attr,
&dev_attr_ipOutBcastPkts.attr,
&dev_attr_tcpRtoAlgorithm.attr,
&dev_attr_tcpRtoMin.attr,
&dev_attr_tcpRtoMax.attr,
&dev_attr_tcpMaxConn.attr,
&dev_attr_tcpActiveOpens.attr,
&dev_attr_tcpPassiveOpens.attr,
&dev_attr_tcpAttemptFails.attr,
&dev_attr_tcpEstabResets.attr,
&dev_attr_tcpCurrEstab.attr,
&dev_attr_tcpInSegs.attr,
&dev_attr_tcpOutSegs.attr,
&dev_attr_tcpRetransSegs.attr,
&dev_attr_tcpInErrs.attr,
&dev_attr_tcpOutRsts.attr,
NULL
};
static struct attribute_group iw_stats_group = {
.name = "proto_stats",
.attrs = iw_proto_stats_attrs,
};
int ib_device_register_sysfs(struct ib_device *device)
{
struct device *class_dev = &device->dev;
@ -707,6 +819,12 @@ int ib_device_register_sysfs(struct ib_device *device)
}
}
if (device->node_type == RDMA_NODE_RNIC && device->get_protocol_stats) {
ret = sysfs_create_group(&class_dev->kobj, &iw_stats_group);
if (ret)
goto err_put;
}
return 0;
err_put:

2
drivers/infiniband/core/ucm.c
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: ucm.c 4311 2005-12-05 18:42:01Z sean.hefty $
*/
#include <linux/completion.h>

2
drivers/infiniband/core/ud_header.c
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: ud_header.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/errno.h>

2
drivers/infiniband/core/umem.c
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: uverbs_mem.c 2743 2005-06-28 22:27:59Z roland $
*/
#include <linux/mm.h>

2
drivers/infiniband/core/user_mad.c
View File

@ -31,8 +31,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: user_mad.c 5596 2006-03-03 01:00:07Z sean.hefty $
*/
#include <linux/module.h>

2
drivers/infiniband/core/uverbs.h
View File

@ -32,8 +32,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: uverbs.h 2559 2005-06-06 19:43:16Z roland $
*/
#ifndef UVERBS_H

4
drivers/infiniband/core/uverbs_cmd.c
View File

@ -31,8 +31,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: uverbs_cmd.c 2708 2005-06-24 17:27:21Z roland $
*/
#include <linux/file.h>
@ -919,7 +917,7 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file,
resp->wc[i].opcode = wc[i].opcode;
resp->wc[i].vendor_err = wc[i].vendor_err;
resp->wc[i].byte_len = wc[i].byte_len;
resp->wc[i].imm_data = (__u32 __force) wc[i].imm_data;
resp->wc[i].ex.imm_data = (__u32 __force) wc[i].ex.imm_data;
resp->wc[i].qp_num = wc[i].qp->qp_num;
resp->wc[i].src_qp = wc[i].src_qp;
resp->wc[i].wc_flags = wc[i].wc_flags;

2
drivers/infiniband/core/uverbs_main.c
View File

@ -32,8 +32,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: uverbs_main.c 2733 2005-06-28 19:14:34Z roland $
*/
#include <linux/module.h>

49
drivers/infiniband/core/verbs.c
View File

@ -34,8 +34,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: verbs.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/errno.h>
@ -317,7 +315,6 @@ static const struct {
} qp_state_table[IB_QPS_ERR + 1][IB_QPS_ERR + 1] = {
[IB_QPS_RESET] = {
[IB_QPS_RESET] = { .valid = 1 },
[IB_QPS_ERR] = { .valid = 1 },
[IB_QPS_INIT] = {
.valid = 1,
.req_param = {
@ -755,6 +752,52 @@ int ib_dereg_mr(struct ib_mr *mr)
}
EXPORT_SYMBOL(ib_dereg_mr);
struct ib_mr *ib_alloc_fast_reg_mr(struct ib_pd *pd, int max_page_list_len)
{
struct ib_mr *mr;
if (!pd->device->alloc_fast_reg_mr)
return ERR_PTR(-ENOSYS);
mr = pd->device->alloc_fast_reg_mr(pd, max_page_list_len);
if (!IS_ERR(mr)) {
mr->device = pd->device;
mr->pd = pd;
mr->uobject = NULL;
atomic_inc(&pd->usecnt);
atomic_set(&mr->usecnt, 0);
}
return mr;
}
EXPORT_SYMBOL(ib_alloc_fast_reg_mr);
struct ib_fast_reg_page_list *ib_alloc_fast_reg_page_list(struct ib_device *device,
int max_page_list_len)
{
struct ib_fast_reg_page_list *page_list;
if (!device->alloc_fast_reg_page_list)
return ERR_PTR(-ENOSYS);
page_list = device->alloc_fast_reg_page_list(device, max_page_list_len);
if (!IS_ERR(page_list)) {
page_list->device = device;
page_list->max_page_list_len = max_page_list_len;
}
return page_list;
}
EXPORT_SYMBOL(ib_alloc_fast_reg_page_list);
void ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list)
{
page_list->device->free_fast_reg_page_list(page_list);
}
EXPORT_SYMBOL(ib_free_fast_reg_page_list);
/* Memory windows */
struct ib_mw *ib_alloc_mw(struct ib_pd *pd)

2
drivers/infiniband/hw/amso1100/c2_rnic.c
View File

@ -454,7 +454,7 @@ int __devinit c2_rnic_init(struct c2_dev *c2dev)
(IB_DEVICE_RESIZE_MAX_WR |
IB_DEVICE_CURR_QP_STATE_MOD |
IB_DEVICE_SYS_IMAGE_GUID |
IB_DEVICE_ZERO_STAG |
IB_DEVICE_LOCAL_DMA_LKEY |
IB_DEVICE_MEM_WINDOW);
/* Allocate the qptr_array */

27
drivers/infiniband/hw/cxgb3/cxio_hal.c
View File

@ -145,7 +145,9 @@ static int cxio_hal_clear_qp_ctx(struct cxio_rdev *rdev_p, u32 qpid)
}
wqe = (struct t3_modify_qp_wr *) skb_put(skb, sizeof(*wqe));
memset(wqe, 0, sizeof(*wqe));
build_fw_riwrh((struct fw_riwrh *) wqe, T3_WR_QP_MOD, 3, 0, qpid, 7);
build_fw_riwrh((struct fw_riwrh *) wqe, T3_WR_QP_MOD,
T3_COMPLETION_FLAG | T3_NOTIFY_FLAG, 0, qpid, 7,
T3_SOPEOP);
wqe->flags = cpu_to_be32(MODQP_WRITE_EC);
sge_cmd = qpid << 8 | 3;
wqe->sge_cmd = cpu_to_be64(sge_cmd);
@ -276,7 +278,7 @@ int cxio_create_qp(struct cxio_rdev *rdev_p, u32 kernel_domain,
if (!wq->qpid)
return -ENOMEM;
wq->rq = kzalloc(depth * sizeof(u64), GFP_KERNEL);
wq->rq = kzalloc(depth * sizeof(struct t3_swrq), GFP_KERNEL);
if (!wq->rq)
goto err1;
@ -300,6 +302,7 @@ int cxio_create_qp(struct cxio_rdev *rdev_p, u32 kernel_domain,
if (!kernel_domain)
wq->udb = (u64)rdev_p->rnic_info.udbell_physbase +
(wq->qpid << rdev_p->qpshift);
wq->rdev = rdev_p;
PDBG("%s qpid 0x%x doorbell 0x%p udb 0x%llx\n", __func__,
wq->qpid, wq->doorbell, (unsigned long long) wq->udb);
return 0;
@ -558,7 +561,7 @@ static int cxio_hal_init_ctrl_qp(struct cxio_rdev *rdev_p)
wqe = (struct t3_modify_qp_wr *) skb_put(skb, sizeof(*wqe));
memset(wqe, 0, sizeof(*wqe));
build_fw_riwrh((struct fw_riwrh *) wqe, T3_WR_QP_MOD, 0, 0,
T3_CTL_QP_TID, 7);
T3_CTL_QP_TID, 7, T3_SOPEOP);
wqe->flags = cpu_to_be32(MODQP_WRITE_EC);
sge_cmd = (3ULL << 56) | FW_RI_SGEEC_START << 8 | 3;
wqe->sge_cmd = cpu_to_be64(sge_cmd);
@ -674,7 +677,7 @@ static int cxio_hal_ctrl_qp_write_mem(struct cxio_rdev *rdev_p, u32 addr,
build_fw_riwrh((struct fw_riwrh *) wqe, T3_WR_BP, flag,
Q_GENBIT(rdev_p->ctrl_qp.wptr,
T3_CTRL_QP_SIZE_LOG2), T3_CTRL_QP_ID,
wr_len);
wr_len, T3_SOPEOP);
if (flag == T3_COMPLETION_FLAG)
ring_doorbell(rdev_p->ctrl_qp.doorbell, T3_CTRL_QP_ID);
len -= 96;
@ -816,6 +819,13 @@ int cxio_deallocate_window(struct cxio_rdev *rdev_p, u32 stag)
0, 0);
}
int cxio_allocate_stag(struct cxio_rdev *rdev_p, u32 *stag, u32 pdid, u32 pbl_size, u32 pbl_addr)
{
*stag = T3_STAG_UNSET;
return __cxio_tpt_op(rdev_p, 0, stag, 0, pdid, TPT_NON_SHARED_MR,
0, 0, 0ULL, 0, 0, pbl_size, pbl_addr);
}
int cxio_rdma_init(struct cxio_rdev *rdev_p, struct t3_rdma_init_attr *attr)
{
struct t3_rdma_init_wr *wqe;
@ -1257,13 +1267,16 @@ int cxio_poll_cq(struct t3_wq *wq, struct t3_cq *cq, struct t3_cqe *cqe,
wq->sq_rptr = CQE_WRID_SQ_WPTR(*hw_cqe);
PDBG("%s completing sq idx %ld\n", __func__,
Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2));
*cookie = (wq->sq +
Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2))->wr_id;
*cookie = wq->sq[Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2)].wr_id;
wq->sq_rptr++;
} else {
PDBG("%s completing rq idx %ld\n", __func__,
Q_PTR2IDX(wq->rq_rptr, wq->rq_size_log2));
*cookie = *(wq->rq + Q_PTR2IDX(wq->rq_rptr, wq->rq_size_log2));
*cookie = wq->rq[Q_PTR2IDX(wq->rq_rptr, wq->rq_size_log2)].wr_id;
if (wq->rq[Q_PTR2IDX(wq->rq_rptr, wq->rq_size_log2)].pbl_addr)
cxio_hal_pblpool_free(wq->rdev,
wq->rq[Q_PTR2IDX(wq->rq_rptr,
wq->rq_size_log2)].pbl_addr, T3_STAG0_PBL_SIZE);
wq->rq_rptr++;
}

5
drivers/infiniband/hw/cxgb3/cxio_hal.h
View File

@ -45,15 +45,17 @@
#define T3_CTRL_QP_SIZE_LOG2 8
#define T3_CTRL_CQ_ID 0
/* TBD */
#define T3_MAX_NUM_RI (1<<15)
#define T3_MAX_NUM_QP (1<<15)
#define T3_MAX_NUM_CQ (1<<15)
#define T3_MAX_NUM_PD (1<<15)
#define T3_MAX_PBL_SIZE 256
#define T3_MAX_RQ_SIZE 1024
#define T3_MAX_QP_DEPTH (T3_MAX_RQ_SIZE-1)
#define T3_MAX_CQ_DEPTH 8192
#define T3_MAX_NUM_STAG (1<<15)
#define T3_MAX_MR_SIZE 0x100000000ULL
#define T3_PAGESIZE_MASK 0xffff000 /* 4KB-128MB */
#define T3_STAG_UNSET 0xffffffff
@ -165,6 +167,7 @@ int cxio_reregister_phys_mem(struct cxio_rdev *rdev, u32 * stag, u32 pdid,
int cxio_dereg_mem(struct cxio_rdev *rdev, u32 stag, u32 pbl_size,
u32 pbl_addr);
int cxio_allocate_window(struct cxio_rdev *rdev, u32 * stag, u32 pdid);
int cxio_allocate_stag(struct cxio_rdev *rdev, u32 *stag, u32 pdid, u32 pbl_size, u32 pbl_addr);
int cxio_deallocate_window(struct cxio_rdev *rdev, u32 stag);
int cxio_rdma_init(struct cxio_rdev *rdev, struct t3_rdma_init_attr *attr);
void cxio_register_ev_cb(cxio_hal_ev_callback_func_t ev_cb);

103
drivers/infiniband/hw/cxgb3/cxio_wr.h
View File

@ -39,6 +39,9 @@
#define T3_MAX_SGE 4
#define T3_MAX_INLINE 64
#define T3_STAG0_PBL_SIZE (2 * T3_MAX_SGE << 3)
#define T3_STAG0_MAX_PBE_LEN (128 * 1024 * 1024)
#define T3_STAG0_PAGE_SHIFT 15
#define Q_EMPTY(rptr,wptr) ((rptr)==(wptr))
#define Q_FULL(rptr,wptr,size_log2) ( (((wptr)-(rptr))>>(size_log2)) && \
@ -72,7 +75,8 @@ enum t3_wr_opcode {
T3_WR_BIND = FW_WROPCODE_RI_BIND_MW,
T3_WR_RCV = FW_WROPCODE_RI_RECEIVE,
T3_WR_INIT = FW_WROPCODE_RI_RDMA_INIT,
T3_WR_QP_MOD = FW_WROPCODE_RI_MODIFY_QP
T3_WR_QP_MOD = FW_WROPCODE_RI_MODIFY_QP,
T3_WR_FASTREG = FW_WROPCODE_RI_FASTREGISTER_MR
} __attribute__ ((packed));
enum t3_rdma_opcode {
@ -89,7 +93,8 @@ enum t3_rdma_opcode {
T3_FAST_REGISTER,
T3_LOCAL_INV,
T3_QP_MOD,
T3_BYPASS
T3_BYPASS,
T3_RDMA_READ_REQ_WITH_INV,
} __attribute__ ((packed));
static inline enum t3_rdma_opcode wr2opcode(enum t3_wr_opcode wrop)
@ -103,6 +108,7 @@ static inline enum t3_rdma_opcode wr2opcode(enum t3_wr_opcode wrop)
case T3_WR_BIND: return T3_BIND_MW;
case T3_WR_INIT: return T3_RDMA_INIT;
case T3_WR_QP_MOD: return T3_QP_MOD;
case T3_WR_FASTREG: return T3_FAST_REGISTER;
default: break;
}
return -1;
@ -170,11 +176,54 @@ struct t3_send_wr {
struct t3_sge sgl[T3_MAX_SGE]; /* 4+ */
};
#define T3_MAX_FASTREG_DEPTH 24
#define T3_MAX_FASTREG_FRAG 10
struct t3_fastreg_wr {
struct fw_riwrh wrh; /* 0 */
union t3_wrid wrid; /* 1 */
__be32 stag; /* 2 */
__be32 len;
__be32 va_base_hi; /* 3 */
__be32 va_base_lo_fbo;
__be32 page_type_perms; /* 4 */
__be32 reserved1;
__be64 pbl_addrs[0]; /* 5+ */
};
/*
* If a fastreg wr spans multiple wqes, then the 2nd fragment look like this.
*/
struct t3_pbl_frag {
struct fw_riwrh wrh; /* 0 */
__be64 pbl_addrs[14]; /* 1..14 */
};
#define S_FR_PAGE_COUNT 24
#define M_FR_PAGE_COUNT 0xff
#define V_FR_PAGE_COUNT(x) ((x) << S_FR_PAGE_COUNT)
#define G_FR_PAGE_COUNT(x) ((((x) >> S_FR_PAGE_COUNT)) & M_FR_PAGE_COUNT)
#define S_FR_PAGE_SIZE 16
#define M_FR_PAGE_SIZE 0x1f
#define V_FR_PAGE_SIZE(x) ((x) << S_FR_PAGE_SIZE)
#define G_FR_PAGE_SIZE(x) ((((x) >> S_FR_PAGE_SIZE)) & M_FR_PAGE_SIZE)
#define S_FR_TYPE 8
#define M_FR_TYPE 0x1
#define V_FR_TYPE(x) ((x) << S_FR_TYPE)
#define G_FR_TYPE(x) ((((x) >> S_FR_TYPE)) & M_FR_TYPE)
#define S_FR_PERMS 0
#define M_FR_PERMS 0xff
#define V_FR_PERMS(x) ((x) << S_FR_PERMS)
#define G_FR_PERMS(x) ((((x) >> S_FR_PERMS)) & M_FR_PERMS)
struct t3_local_inv_wr {
struct fw_riwrh wrh; /* 0 */
union t3_wrid wrid; /* 1 */
__be32 stag; /* 2 */
__be32 reserved3;
__be32 reserved;
};
struct t3_rdma_write_wr {
@ -193,7 +242,8 @@ struct t3_rdma_read_wr {
struct fw_riwrh wrh; /* 0 */
union t3_wrid wrid; /* 1 */
u8 rdmaop; /* 2 */
u8 reserved[3];
u8 local_inv;
u8 reserved[2];
__be32 rem_stag;
__be64 rem_to; /* 3 */
__be32 local_stag; /* 4 */
@ -201,18 +251,6 @@ struct t3_rdma_read_wr {
__be64 local_to; /* 5 */
};
enum t3_addr_type {
T3_VA_BASED_TO = 0x0,
T3_ZERO_BASED_TO = 0x1
} __attribute__ ((packed));
enum t3_mem_perms {
T3_MEM_ACCESS_LOCAL_READ = 0x1,
T3_MEM_ACCESS_LOCAL_WRITE = 0x2,
T3_MEM_ACCESS_REM_READ = 0x4,
T3_MEM_ACCESS_REM_WRITE = 0x8
} __attribute__ ((packed));
struct t3_bind_mw_wr {
struct fw_riwrh wrh; /* 0 */
union t3_wrid wrid; /* 1 */
@ -336,6 +374,11 @@ struct t3_genbit {
__be64 genbit;
};
struct t3_wq_in_err {
u64 flit[13];
u64 err;
};
enum rdma_init_wr_flags {
MPA_INITIATOR = (1<<0),
PRIV_QP = (1<<1),
@ -346,13 +389,16 @@ union t3_wr {
struct t3_rdma_write_wr write;
struct t3_rdma_read_wr read;
struct t3_receive_wr recv;
struct t3_fastreg_wr fastreg;
struct t3_pbl_frag pbl_frag;
struct t3_local_inv_wr local_inv;
struct t3_bind_mw_wr bind;
struct t3_bypass_wr bypass;
struct t3_rdma_init_wr init;
struct t3_modify_qp_wr qp_mod;
struct t3_genbit genbit;
u64 flit[16];
struct t3_wq_in_err wq_in_err;
__be64 flit[16];
};
#define T3_SQ_CQE_FLIT 13
@ -366,12 +412,18 @@ static inline enum t3_wr_opcode fw_riwrh_opcode(struct fw_riwrh *wqe)
return G_FW_RIWR_OP(be32_to_cpu(wqe->op_seop_flags));
}
enum t3_wr_hdr_bits {
T3_EOP = 1,
T3_SOP = 2,
T3_SOPEOP = T3_EOP|T3_SOP,
};
static inline void build_fw_riwrh(struct fw_riwrh *wqe, enum t3_wr_opcode op,
enum t3_wr_flags flags, u8 genbit, u32 tid,
u8 len)
u8 len, u8 sopeop)
{
wqe->op_seop_flags = cpu_to_be32(V_FW_RIWR_OP(op) |
V_FW_RIWR_SOPEOP(M_FW_RIWR_SOPEOP) |
V_FW_RIWR_SOPEOP(sopeop) |
V_FW_RIWR_FLAGS(flags));
wmb();
wqe->gen_tid_len = cpu_to_be32(V_FW_RIWR_GEN(genbit) |
@ -404,6 +456,7 @@ enum tpt_addr_type {
};
enum tpt_mem_perm {
TPT_MW_BIND = 0x10,
TPT_LOCAL_READ = 0x8,
TPT_LOCAL_WRITE = 0x4,
TPT_REMOTE_READ = 0x2,
@ -615,6 +668,11 @@ struct t3_swsq {
int signaled;
};
struct t3_swrq {
__u64 wr_id;
__u32 pbl_addr;
};
/*
* A T3 WQ implements both the SQ and RQ.
*/
@ -631,14 +689,15 @@ struct t3_wq {
u32 sq_wptr; /* sq_wptr - sq_rptr == count of */
u32 sq_rptr; /* pending wrs */
u32 sq_size_log2; /* sq size */
u64 *rq; /* SW RQ (holds consumer wr_ids */
struct t3_swrq *rq; /* SW RQ (holds consumer wr_ids */
u32 rq_wptr; /* rq_wptr - rq_rptr == count of */
u32 rq_rptr; /* pending wrs */
u64 *rq_oldest_wr; /* oldest wr on the SW RQ */
struct t3_swrq *rq_oldest_wr; /* oldest wr on the SW RQ */
u32 rq_size_log2; /* rq size */
u32 rq_addr; /* rq adapter address */
void __iomem *doorbell; /* kernel db */
u64 udb; /* user db if any */
struct cxio_rdev *rdev;
};
struct t3_cq {
@ -659,7 +718,7 @@ struct t3_cq {
static inline void cxio_set_wq_in_error(struct t3_wq *wq)
{
wq->queue->flit[13] = 1;
wq->queue->wq_in_err.err = 1;
}
static inline struct t3_cqe *cxio_next_hw_cqe(struct t3_cq *cq)

8
drivers/infiniband/hw/cxgb3/iwch.c
View File

@ -71,18 +71,16 @@ static void rnic_init(struct iwch_dev *rnicp)
idr_init(&rnicp->mmidr);
spin_lock_init(&rnicp->lock);
rnicp->attr.vendor_id = 0x168;
rnicp->attr.vendor_part_id = 7;
rnicp->attr.max_qps = T3_MAX_NUM_QP - 32;
rnicp->attr.max_wrs = (1UL << 24) - 1;
rnicp->attr.max_wrs = T3_MAX_QP_DEPTH;
rnicp->attr.max_sge_per_wr = T3_MAX_SGE;
rnicp->attr.max_sge_per_rdma_write_wr = T3_MAX_SGE;
rnicp->attr.max_cqs = T3_MAX_NUM_CQ - 1;
rnicp->attr.max_cqes_per_cq = (1UL << 24) - 1;
rnicp->attr.max_cqes_per_cq = T3_MAX_CQ_DEPTH;
rnicp->attr.max_mem_regs = cxio_num_stags(&rnicp->rdev);
rnicp->attr.max_phys_buf_entries = T3_MAX_PBL_SIZE;
rnicp->attr.max_pds = T3_MAX_NUM_PD - 1;
rnicp->attr.mem_pgsizes_bitmask = 0x7FFF; /* 4KB-128MB */
rnicp->attr.mem_pgsizes_bitmask = T3_PAGESIZE_MASK;
rnicp->attr.max_mr_size = T3_MAX_MR_SIZE;
rnicp->attr.can_resize_wq = 0;
rnicp->attr.max_rdma_reads_per_qp = 8;

2
drivers/infiniband/hw/cxgb3/iwch.h
View File

@ -48,8 +48,6 @@ struct iwch_qp;
struct iwch_mr;
struct iwch_rnic_attributes {
u32 vendor_id;
u32 vendor_part_id;
u32 max_qps;
u32 max_wrs; /* Max for any SQ/RQ */
u32 max_sge_per_wr;

15
drivers/infiniband/hw/cxgb3/iwch_cq.c
View File

@ -81,6 +81,7 @@ static int iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp,
wc->wr_id = cookie;
wc->qp = &qhp->ibqp;
wc->vendor_err = CQE_STATUS(cqe);
wc->wc_flags = 0;
PDBG("%s qpid 0x%x type %d opcode %d status 0x%x wrid hi 0x%x "
"lo 0x%x cookie 0x%llx\n", __func__,
@ -94,6 +95,11 @@ static int iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp,
else
wc->byte_len = 0;
wc->opcode = IB_WC_RECV;
if (CQE_OPCODE(cqe) == T3_SEND_WITH_INV ||
CQE_OPCODE(cqe) == T3_SEND_WITH_SE_INV) {
wc->ex.invalidate_rkey = CQE_WRID_STAG(cqe);
wc->wc_flags |= IB_WC_WITH_INVALIDATE;
}
} else {
switch (CQE_OPCODE(cqe)) {
case T3_RDMA_WRITE:
@ -105,17 +111,20 @@ static int iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp,
break;
case T3_SEND:
case T3_SEND_WITH_SE:
case T3_SEND_WITH_INV:
case T3_SEND_WITH_SE_INV:
wc->opcode = IB_WC_SEND;
break;
case T3_BIND_MW:
wc->opcode = IB_WC_BIND_MW;
break;
/* these aren't supported yet */
case T3_SEND_WITH_INV:
case T3_SEND_WITH_SE_INV:
case T3_LOCAL_INV:
wc->opcode = IB_WC_LOCAL_INV;
break;
case T3_FAST_REGISTER:
wc->opcode = IB_WC_FAST_REG_MR;
break;
default:
printk(KERN_ERR MOD "Unexpected opcode %d "
"in the CQE received for QPID=0x%0x\n",

199
drivers/infiniband/hw/cxgb3/iwch_provider.c
View File

@ -56,6 +56,7 @@
#include "iwch_provider.h"
#include "iwch_cm.h"
#include "iwch_user.h"
#include "common.h"
static int iwch_modify_port(struct ib_device *ibdev,
u8 port, int port_modify_mask,
@ -747,6 +748,7 @@ static struct ib_mw *iwch_alloc_mw(struct ib_pd *pd)
mhp->attr.type = TPT_MW;
mhp->attr.stag = stag;
mmid = (stag) >> 8;
mhp->ibmw.rkey = stag;
insert_handle(rhp, &rhp->mmidr, mhp, mmid);
PDBG("%s mmid 0x%x mhp %p stag 0x%x\n", __func__, mmid, mhp, stag);
return &(mhp->ibmw);
@ -768,6 +770,68 @@ static int iwch_dealloc_mw(struct ib_mw *mw)
return 0;
}
static struct ib_mr *iwch_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth)
{
struct iwch_dev *rhp;
struct iwch_pd *php;
struct iwch_mr *mhp;
u32 mmid;
u32 stag = 0;
int ret;
php = to_iwch_pd(pd);
rhp = php->rhp;
mhp = kzalloc(sizeof(*mhp), GFP_KERNEL);
if (!mhp)
return ERR_PTR(-ENOMEM);
mhp->rhp = rhp;
ret = iwch_alloc_pbl(mhp, pbl_depth);
if (ret) {
kfree(mhp);
return ERR_PTR(ret);
}
mhp->attr.pbl_size = pbl_depth;
ret = cxio_allocate_stag(&rhp->rdev, &stag, php->pdid,
mhp->attr.pbl_size, mhp->attr.pbl_addr);
if (ret) {
iwch_free_pbl(mhp);
kfree(mhp);
return ERR_PTR(ret);
}
mhp->attr.pdid = php->pdid;
mhp->attr.type = TPT_NON_SHARED_MR;
mhp->attr.stag = stag;
mhp->attr.state = 1;
mmid = (stag) >> 8;
mhp->ibmr.rkey = mhp->ibmr.lkey = stag;
insert_handle(rhp, &rhp->mmidr, mhp, mmid);
PDBG("%s mmid 0x%x mhp %p stag 0x%x\n", __func__, mmid, mhp, stag);
return &(mhp->ibmr);
}
static struct ib_fast_reg_page_list *iwch_alloc_fastreg_pbl(
struct ib_device *device,
int page_list_len)
{
struct ib_fast_reg_page_list *page_list;
page_list = kmalloc(sizeof *page_list + page_list_len * sizeof(u64),
GFP_KERNEL);
if (!page_list)
return ERR_PTR(-ENOMEM);
page_list->page_list = (u64 *)(page_list + 1);
page_list->max_page_list_len = page_list_len;
return page_list;
}
static void iwch_free_fastreg_pbl(struct ib_fast_reg_page_list *page_list)
{
kfree(page_list);
}
static int iwch_destroy_qp(struct ib_qp *ib_qp)
{
struct iwch_dev *rhp;
@ -843,6 +907,15 @@ static struct ib_qp *iwch_create_qp(struct ib_pd *pd,
*/
sqsize = roundup_pow_of_two(attrs->cap.max_send_wr);
wqsize = roundup_pow_of_two(rqsize + sqsize);
/*
* Kernel users need more wq space for fastreg WRs which can take
* 2 WR fragments.
*/
ucontext = pd->uobject ? to_iwch_ucontext(pd->uobject->context) : NULL;
if (!ucontext && wqsize < (rqsize + (2 * sqsize)))
wqsize = roundup_pow_of_two(rqsize +
roundup_pow_of_two(attrs->cap.max_send_wr * 2));
PDBG("%s wqsize %d sqsize %d rqsize %d\n", __func__,
wqsize, sqsize, rqsize);
qhp = kzalloc(sizeof(*qhp), GFP_KERNEL);
@ -851,7 +924,6 @@ static struct ib_qp *iwch_create_qp(struct ib_pd *pd,
qhp->wq.size_log2 = ilog2(wqsize);
qhp->wq.rq_size_log2 = ilog2(rqsize);
qhp->wq.sq_size_log2 = ilog2(sqsize);
ucontext = pd->uobject ? to_iwch_ucontext(pd->uobject->context) : NULL;
if (cxio_create_qp(&rhp->rdev, !udata, &qhp->wq,
ucontext ? &ucontext->uctx : &rhp->rdev.uctx)) {
kfree(qhp);
@ -935,10 +1007,10 @@ static struct ib_qp *iwch_create_qp(struct ib_pd *pd,
qhp->ibqp.qp_num = qhp->wq.qpid;
init_timer(&(qhp->timer));
PDBG("%s sq_num_entries %d, rq_num_entries %d "
"qpid 0x%0x qhp %p dma_addr 0x%llx size %d\n",
"qpid 0x%0x qhp %p dma_addr 0x%llx size %d rq_addr 0x%x\n",
__func__, qhp->attr.sq_num_entries, qhp->attr.rq_num_entries,
qhp->wq.qpid, qhp, (unsigned long long) qhp->wq.dma_addr,
1 << qhp->wq.size_log2);
1 << qhp->wq.size_log2, qhp->wq.rq_addr);
return &qhp->ibqp;
}
@ -1023,6 +1095,29 @@ static int iwch_query_gid(struct ib_device *ibdev, u8 port,
return 0;
}
static u64 fw_vers_string_to_u64(struct iwch_dev *iwch_dev)
{
struct ethtool_drvinfo info;
struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
char *cp, *next;
unsigned fw_maj, fw_min, fw_mic;
rtnl_lock();
lldev->ethtool_ops->get_drvinfo(lldev, &info);
rtnl_unlock();
next = info.fw_version + 1;
cp = strsep(&next, ".");
sscanf(cp, "%i", &fw_maj);
cp = strsep(&next, ".");
sscanf(cp, "%i", &fw_min);
cp = strsep(&next, ".");
sscanf(cp, "%i", &fw_mic);
return (((u64)fw_maj & 0xffff) << 32) | ((fw_min & 0xffff) << 16) |
(fw_mic & 0xffff);
}
static int iwch_query_device(struct ib_device *ibdev,
struct ib_device_attr *props)
{
@ -1033,7 +1128,10 @@ static int iwch_query_device(struct ib_device *ibdev,
dev = to_iwch_dev(ibdev);
memset(props, 0, sizeof *props);
memcpy(&props->sys_image_guid, dev->rdev.t3cdev_p->lldev->dev_addr, 6);
props->hw_ver = dev->rdev.t3cdev_p->type;
props->fw_ver = fw_vers_string_to_u64(dev);
props->device_cap_flags = dev->device_cap_flags;
props->page_size_cap = dev->attr.mem_pgsizes_bitmask;
props->vendor_id = (u32)dev->rdev.rnic_info.pdev->vendor;
props->vendor_part_id = (u32)dev->rdev.rnic_info.pdev->device;
props->max_mr_size = dev->attr.max_mr_size;
@ -1048,6 +1146,7 @@ static int iwch_query_device(struct ib_device *ibdev,
props->max_mr = dev->attr.max_mem_regs;
props->max_pd = dev->attr.max_pds;
props->local_ca_ack_delay = 0;
props->max_fast_reg_page_list_len = T3_MAX_FASTREG_DEPTH;
return 0;
}
@ -1088,6 +1187,28 @@ static ssize_t show_rev(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%d\n", iwch_dev->rdev.t3cdev_p->type);
}
static int fw_supports_fastreg(struct iwch_dev *iwch_dev)
{
struct ethtool_drvinfo info;
struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
char *cp, *next;
unsigned fw_maj, fw_min;
rtnl_lock();
lldev->ethtool_ops->get_drvinfo(lldev, &info);
rtnl_unlock();
next = info.fw_version+1;
cp = strsep(&next, ".");
sscanf(cp, "%i", &fw_maj);
cp = strsep(&next, ".");
sscanf(cp, "%i", &fw_min);
PDBG("%s maj %u min %u\n", __func__, fw_maj, fw_min);
return fw_maj > 6 || (fw_maj == 6 && fw_min > 0);
}
static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, char *buf)
{
struct iwch_dev *iwch_dev = container_of(dev, struct iwch_dev,
@ -1127,6 +1248,61 @@ static ssize_t show_board(struct device *dev, struct device_attribute *attr,
iwch_dev->rdev.rnic_info.pdev->device);
}
static int iwch_get_mib(struct ib_device *ibdev,
union rdma_protocol_stats *stats)
{
struct iwch_dev *dev;
struct tp_mib_stats m;
int ret;
PDBG("%s ibdev %p\n", __func__, ibdev);
dev = to_iwch_dev(ibdev);
ret = dev->rdev.t3cdev_p->ctl(dev->rdev.t3cdev_p, RDMA_GET_MIB, &m);
if (ret)
return -ENOSYS;
memset(stats, 0, sizeof *stats);
stats->iw.ipInReceives = ((u64) m.ipInReceive_hi << 32) +
m.ipInReceive_lo;
stats->iw.ipInHdrErrors = ((u64) m.ipInHdrErrors_hi << 32) +
m.ipInHdrErrors_lo;
stats->iw.ipInAddrErrors = ((u64) m.ipInAddrErrors_hi << 32) +
m.ipInAddrErrors_lo;
stats->iw.ipInUnknownProtos = ((u64) m.ipInUnknownProtos_hi << 32) +
m.ipInUnknownProtos_lo;
stats->iw.ipInDiscards = ((u64) m.ipInDiscards_hi << 32) +
m.ipInDiscards_lo;
stats->iw.ipInDelivers = ((u64) m.ipInDelivers_hi << 32) +
m.ipInDelivers_lo;
stats->iw.ipOutRequests = ((u64) m.ipOutRequests_hi << 32) +
m.ipOutRequests_lo;
stats->iw.ipOutDiscards = ((u64) m.ipOutDiscards_hi << 32) +
m.ipOutDiscards_lo;
stats->iw.ipOutNoRoutes = ((u64) m.ipOutNoRoutes_hi << 32) +
m.ipOutNoRoutes_lo;
stats->iw.ipReasmTimeout = (u64) m.ipReasmTimeout;
stats->iw.ipReasmReqds = (u64) m.ipReasmReqds;
stats->iw.ipReasmOKs = (u64) m.ipReasmOKs;
stats->iw.ipReasmFails = (u64) m.ipReasmFails;
stats->iw.tcpActiveOpens = (u64) m.tcpActiveOpens;
stats->iw.tcpPassiveOpens = (u64) m.tcpPassiveOpens;
stats->iw.tcpAttemptFails = (u64) m.tcpAttemptFails;
stats->iw.tcpEstabResets = (u64) m.tcpEstabResets;
stats->iw.tcpOutRsts = (u64) m.tcpOutRsts;
stats->iw.tcpCurrEstab = (u64) m.tcpCurrEstab;
stats->iw.tcpInSegs = ((u64) m.tcpInSegs_hi << 32) +
m.tcpInSegs_lo;
stats->iw.tcpOutSegs = ((u64) m.tcpOutSegs_hi << 32) +
m.tcpOutSegs_lo;
stats->iw.tcpRetransSegs = ((u64) m.tcpRetransSeg_hi << 32) +
m.tcpRetransSeg_lo;
stats->iw.tcpInErrs = ((u64) m.tcpInErrs_hi << 32) +
m.tcpInErrs_lo;
stats->iw.tcpRtoMin = (u64) m.tcpRtoMin;
stats->iw.tcpRtoMax = (u64) m.tcpRtoMax;
return 0;
}
static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
@ -1136,7 +1312,7 @@ static struct device_attribute *iwch_class_attributes[] = {
&dev_attr_hw_rev,
&dev_attr_fw_ver,
&dev_attr_hca_type,
&dev_attr_board_id
&dev_attr_board_id,
};
int iwch_register_device(struct iwch_dev *dev)
@ -1149,8 +1325,12 @@ int iwch_register_device(struct iwch_dev *dev)
memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid));
memcpy(&dev->ibdev.node_guid, dev->rdev.t3cdev_p->lldev->dev_addr, 6);
dev->ibdev.owner = THIS_MODULE;
dev->device_cap_flags =
(IB_DEVICE_ZERO_STAG | IB_DEVICE_MEM_WINDOW);
dev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY | IB_DEVICE_MEM_WINDOW;
/* cxgb3 supports STag 0. */
dev->ibdev.local_dma_lkey = 0;
if (fw_supports_fastreg(dev))
dev->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
dev->ibdev.uverbs_cmd_mask =
(1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
@ -1202,15 +1382,16 @@ int iwch_register_device(struct iwch_dev *dev)
dev->ibdev.alloc_mw = iwch_alloc_mw;
dev->ibdev.bind_mw = iwch_bind_mw;
dev->ibdev.dealloc_mw = iwch_dealloc_mw;
dev->ibdev.alloc_fast_reg_mr = iwch_alloc_fast_reg_mr;
dev->ibdev.alloc_fast_reg_page_list = iwch_alloc_fastreg_pbl;
dev->ibdev.free_fast_reg_page_list = iwch_free_fastreg_pbl;
dev->ibdev.attach_mcast = iwch_multicast_attach;
dev->ibdev.detach_mcast = iwch_multicast_detach;
dev->ibdev.process_mad = iwch_process_mad;
dev->ibdev.req_notify_cq = iwch_arm_cq;
dev->ibdev.post_send = iwch_post_send;
dev->ibdev.post_recv = iwch_post_receive;
dev->ibdev.get_protocol_stats = iwch_get_mib;
dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
if (!dev->ibdev.iwcm)

8
drivers/infiniband/hw/cxgb3/iwch_provider.h
View File

@ -296,14 +296,6 @@ static inline u32 iwch_ib_to_tpt_access(int acc)
TPT_LOCAL_READ;
}
static inline u32 iwch_ib_to_mwbind_access(int acc)
{
return (acc & IB_ACCESS_REMOTE_WRITE ? T3_MEM_ACCESS_REM_WRITE : 0) |
(acc & IB_ACCESS_REMOTE_READ ? T3_MEM_ACCESS_REM_READ : 0) |
(acc & IB_ACCESS_LOCAL_WRITE ? T3_MEM_ACCESS_LOCAL_WRITE : 0) |
T3_MEM_ACCESS_LOCAL_READ;
}
enum iwch_mmid_state {
IWCH_STAG_STATE_VALID,
IWCH_STAG_STATE_INVALID

263
drivers/infiniband/hw/cxgb3/iwch_qp.c
View File

@ -33,10 +33,11 @@
#include "iwch.h"
#include "iwch_cm.h"
#include "cxio_hal.h"
#include "cxio_resource.h"
#define NO_SUPPORT -1
static int iwch_build_rdma_send(union t3_wr *wqe, struct ib_send_wr *wr,
static int build_rdma_send(union t3_wr *wqe, struct ib_send_wr *wr,
u8 * flit_cnt)
{
int i;
@ -44,59 +45,44 @@ static int iwch_build_rdma_send(union t3_wr *wqe, struct ib_send_wr *wr,
switch (wr->opcode) {
case IB_WR_SEND:
case IB_WR_SEND_WITH_IMM:
if (wr->send_flags & IB_SEND_SOLICITED)
wqe->send.rdmaop = T3_SEND_WITH_SE;
else
wqe->send.rdmaop = T3_SEND;
wqe->send.rem_stag = 0;
break;
#if 0 /* Not currently supported */
case TYPE_SEND_INVALIDATE:
case TYPE_SEND_INVALIDATE_IMMEDIATE:
wqe->send.rdmaop = T3_SEND_WITH_INV;
wqe->send.rem_stag = cpu_to_be32(wr->wr.rdma.rkey);
case IB_WR_SEND_WITH_INV:
if (wr->send_flags & IB_SEND_SOLICITED)
wqe->send.rdmaop = T3_SEND_WITH_SE_INV;
else
wqe->send.rdmaop = T3_SEND_WITH_INV;
wqe->send.rem_stag = cpu_to_be32(wr->ex.invalidate_rkey);
break;
case TYPE_SEND_SE_INVALIDATE:
wqe->send.rdmaop = T3_SEND_WITH_SE_INV;
wqe->send.rem_stag = cpu_to_be32(wr->wr.rdma.rkey);
break;
#endif
default:
break;
return -EINVAL;
}
if (wr->num_sge > T3_MAX_SGE)
return -EINVAL;
wqe->send.reserved[0] = 0;
wqe->send.reserved[1] = 0;
wqe->send.reserved[2] = 0;
if (wr->opcode == IB_WR_SEND_WITH_IMM) {
plen = 4;
wqe->send.sgl[0].stag = wr->ex.imm_data;
wqe->send.sgl[0].len = __constant_cpu_to_be32(0);
wqe->send.num_sgle = __constant_cpu_to_be32(0);
*flit_cnt = 5;
} else {
plen = 0;
for (i = 0; i < wr->num_sge; i++) {
if ((plen + wr->sg_list[i].length) < plen) {
return -EMSGSIZE;
}
plen += wr->sg_list[i].length;
wqe->send.sgl[i].stag =
cpu_to_be32(wr->sg_list[i].lkey);
wqe->send.sgl[i].len =
cpu_to_be32(wr->sg_list[i].length);
wqe->send.sgl[i].to = cpu_to_be64(wr->sg_list[i].addr);
}
wqe->send.num_sgle = cpu_to_be32(wr->num_sge);
*flit_cnt = 4 + ((wr->num_sge) << 1);
plen = 0;
for (i = 0; i < wr->num_sge; i++) {
if ((plen + wr->sg_list[i].length) < plen)
return -EMSGSIZE;
plen += wr->sg_list[i].length;
wqe->send.sgl[i].stag = cpu_to_be32(wr->sg_list[i].lkey);
wqe->send.sgl[i].len = cpu_to_be32(wr->sg_list[i].length);
wqe->send.sgl[i].to = cpu_to_be64(wr->sg_list[i].addr);
}
wqe->send.num_sgle = cpu_to_be32(wr->num_sge);
*flit_cnt = 4 + ((wr->num_sge) << 1);
wqe->send.plen = cpu_to_be32(plen);
return 0;
}
static int iwch_build_rdma_write(union t3_wr *wqe, struct ib_send_wr *wr,
static int build_rdma_write(union t3_wr *wqe, struct ib_send_wr *wr,
u8 *flit_cnt)
{
int i;
@ -137,15 +123,18 @@ static int iwch_build_rdma_write(union t3_wr *wqe, struct ib_send_wr *wr,
return 0;
}
static int iwch_build_rdma_read(union t3_wr *wqe, struct ib_send_wr *wr,
static int build_rdma_read(union t3_wr *wqe, struct ib_send_wr *wr,
u8 *flit_cnt)
{
if (wr->num_sge > 1)
return -EINVAL;
wqe->read.rdmaop = T3_READ_REQ;
if (wr->opcode == IB_WR_RDMA_READ_WITH_INV)
wqe->read.local_inv = 1;
else
wqe->read.local_inv = 0;
wqe->read.reserved[0] = 0;
wqe->read.reserved[1] = 0;
wqe->read.reserved[2] = 0;
wqe->read.rem_stag = cpu_to_be32(wr->wr.rdma.rkey);
wqe->read.rem_to = cpu_to_be64(wr->wr.rdma.remote_addr);
wqe->read.local_stag = cpu_to_be32(wr->sg_list[0].lkey);
@ -155,6 +144,57 @@ static int iwch_build_rdma_read(union t3_wr *wqe, struct ib_send_wr *wr,
return 0;
}
static int build_fastreg(union t3_wr *wqe, struct ib_send_wr *wr,
u8 *flit_cnt, int *wr_cnt, struct t3_wq *wq)
{
int i;
__be64 *p;
if (wr->wr.fast_reg.page_list_len > T3_MAX_FASTREG_DEPTH)
return -EINVAL;
*wr_cnt = 1;
wqe->fastreg.stag = cpu_to_be32(wr->wr.fast_reg.rkey);
wqe->fastreg.len = cpu_to_be32(wr->wr.fast_reg.length);
wqe->fastreg.va_base_hi = cpu_to_be32(wr->wr.fast_reg.iova_start >> 32);
wqe->fastreg.va_base_lo_fbo =
cpu_to_be32(wr->wr.fast_reg.iova_start & 0xffffffff);
wqe->fastreg.page_type_perms = cpu_to_be32(
V_FR_PAGE_COUNT(wr->wr.fast_reg.page_list_len) |
V_FR_PAGE_SIZE(wr->wr.fast_reg.page_shift-12) |
V_FR_TYPE(TPT_VATO) |
V_FR_PERMS(iwch_ib_to_tpt_access(wr->wr.fast_reg.access_flags)));
p = &wqe->fastreg.pbl_addrs[0];
for (i = 0; i < wr->wr.fast_reg.page_list_len; i++, p++) {
/* If we need a 2nd WR, then set it up */
if (i == T3_MAX_FASTREG_FRAG) {
*wr_cnt = 2;
wqe = (union t3_wr *)(wq->queue +
Q_PTR2IDX((wq->wptr+1), wq->size_log2));
build_fw_riwrh((void *)wqe, T3_WR_FASTREG, 0,
Q_GENBIT(wq->wptr + 1, wq->size_log2),
0, 1 + wr->wr.fast_reg.page_list_len - T3_MAX_FASTREG_FRAG,
T3_EOP);
p = &wqe->pbl_frag.pbl_addrs[0];
}
*p = cpu_to_be64((u64)wr->wr.fast_reg.page_list->page_list[i]);
}
*flit_cnt = 5 + wr->wr.fast_reg.page_list_len;
if (*flit_cnt > 15)
*flit_cnt = 15;
return 0;
}
static int build_inv_stag(union t3_wr *wqe, struct ib_send_wr *wr,
u8 *flit_cnt)
{
wqe->local_inv.stag = cpu_to_be32(wr->ex.invalidate_rkey);
wqe->local_inv.reserved = 0;
*flit_cnt = sizeof(struct t3_local_inv_wr) >> 3;
return 0;
}
/*
* TBD: this is going to be moved to firmware. Missing pdid/qpid check for now.
*/
@ -205,23 +245,106 @@ static int iwch_sgl2pbl_map(struct iwch_dev *rhp, struct ib_sge *sg_list,
return 0;
}
static int iwch_build_rdma_recv(struct iwch_dev *rhp, union t3_wr *wqe,
static int build_rdma_recv(struct iwch_qp *qhp, union t3_wr *wqe,
struct ib_recv_wr *wr)
{
int i;
if (wr->num_sge > T3_MAX_SGE)
return -EINVAL;
int i, err = 0;
u32 pbl_addr[T3_MAX_SGE];
u8 page_size[T3_MAX_SGE];
err = iwch_sgl2pbl_map(qhp->rhp, wr->sg_list, wr->num_sge, pbl_addr,
page_size);
if (err)
return err;
wqe->recv.pagesz[0] = page_size[0];
wqe->recv.pagesz[1] = page_size[1];
wqe->recv.pagesz[2] = page_size[2];
wqe->recv.pagesz[3] = page_size[3];
wqe->recv.num_sgle = cpu_to_be32(wr->num_sge);
for (i = 0; i < wr->num_sge; i++) {
wqe->recv.sgl[i].stag = cpu_to_be32(wr->sg_list[i].lkey);
wqe->recv.sgl[i].len = cpu_to_be32(wr->sg_list[i].length);
wqe->recv.sgl[i].to = cpu_to_be64(wr->sg_list[i].addr);
/* to in the WQE == the offset into the page */
wqe->recv.sgl[i].to = cpu_to_be64(((u32) wr->sg_list[i].addr) %
(1UL << (12 + page_size[i])));
/* pbl_addr is the adapters address in the PBL */
wqe->recv.pbl_addr[i] = cpu_to_be32(pbl_addr[i]);
}
for (; i < T3_MAX_SGE; i++) {
wqe->recv.sgl[i].stag = 0;
wqe->recv.sgl[i].len = 0;
wqe->recv.sgl[i].to = 0;
wqe->recv.pbl_addr[i] = 0;
}
qhp->wq.rq[Q_PTR2IDX(qhp->wq.rq_wptr,
qhp->wq.rq_size_log2)].wr_id = wr->wr_id;
qhp->wq.rq[Q_PTR2IDX(qhp->wq.rq_wptr,
qhp->wq.rq_size_log2)].pbl_addr = 0;
return 0;
}
static int build_zero_stag_recv(struct iwch_qp *qhp, union t3_wr *wqe,
struct ib_recv_wr *wr)
{
int i;
u32 pbl_addr;
u32 pbl_offset;
/*
* The T3 HW requires the PBL in the HW recv descriptor to reference
* a PBL entry. So we allocate the max needed PBL memory here and pass
* it to the uP in the recv WR. The uP will build the PBL and setup
* the HW recv descriptor.
*/
pbl_addr = cxio_hal_pblpool_alloc(&qhp->rhp->rdev, T3_STAG0_PBL_SIZE);
if (!pbl_addr)
return -ENOMEM;
/*
* Compute the 8B aligned offset.
*/
pbl_offset = (pbl_addr - qhp->rhp->rdev.rnic_info.pbl_base) >> 3;
wqe->recv.num_sgle = cpu_to_be32(wr->num_sge);
for (i = 0; i < wr->num_sge; i++) {
/*
* Use a 128MB page size. This and an imposed 128MB
* sge length limit allows us to require only a 2-entry HW
* PBL for each SGE. This restriction is acceptable since
* since it is not possible to allocate 128MB of contiguous
* DMA coherent memory!
*/
if (wr->sg_list[i].length > T3_STAG0_MAX_PBE_LEN)
return -EINVAL;
wqe->recv.pagesz[i] = T3_STAG0_PAGE_SHIFT;
/*
* T3 restricts a recv to all zero-stag or all non-zero-stag.
*/
if (wr->sg_list[i].lkey != 0)
return -EINVAL;
wqe->recv.sgl[i].stag = 0;
wqe->recv.sgl[i].len = cpu_to_be32(wr->sg_list[i].length);
wqe->recv.sgl[i].to = cpu_to_be64(wr->sg_list[i].addr);
wqe->recv.pbl_addr[i] = cpu_to_be32(pbl_offset);
pbl_offset += 2;
}
for (; i < T3_MAX_SGE; i++) {
wqe->recv.pagesz[i] = 0;
wqe->recv.sgl[i].stag = 0;
wqe->recv.sgl[i].len = 0;
wqe->recv.sgl[i].to = 0;
wqe->recv.pbl_addr[i] = 0;
}
qhp->wq.rq[Q_PTR2IDX(qhp->wq.rq_wptr,
qhp->wq.rq_size_log2)].wr_id = wr->wr_id;
qhp->wq.rq[Q_PTR2IDX(qhp->wq.rq_wptr,
qhp->wq.rq_size_log2)].pbl_addr = pbl_addr;
return 0;
}
@ -238,6 +361,7 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
u32 num_wrs;
unsigned long flag;
struct t3_swsq *sqp;
int wr_cnt = 1;
qhp = to_iwch_qp(ibqp);
spin_lock_irqsave(&qhp->lock, flag);
@ -262,33 +386,45 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
t3_wr_flags = 0;
if (wr->send_flags & IB_SEND_SOLICITED)
t3_wr_flags |= T3_SOLICITED_EVENT_FLAG;
if (wr->send_flags & IB_SEND_FENCE)
t3_wr_flags |= T3_READ_FENCE_FLAG;
if (wr->send_flags & IB_SEND_SIGNALED)
t3_wr_flags |= T3_COMPLETION_FLAG;
sqp = qhp->wq.sq +
Q_PTR2IDX(qhp->wq.sq_wptr, qhp->wq.sq_size_log2);
switch (wr->opcode) {
case IB_WR_SEND:
case IB_WR_SEND_WITH_IMM:
case IB_WR_SEND_WITH_INV:
if (wr->send_flags & IB_SEND_FENCE)
t3_wr_flags |= T3_READ_FENCE_FLAG;
t3_wr_opcode = T3_WR_SEND;
err = iwch_build_rdma_send(wqe, wr, &t3_wr_flit_cnt);
err = build_rdma_send(wqe, wr, &t3_wr_flit_cnt);
break;
case IB_WR_RDMA_WRITE:
case IB_WR_RDMA_WRITE_WITH_IMM:
t3_wr_opcode = T3_WR_WRITE;
err = iwch_build_rdma_write(wqe, wr, &t3_wr_flit_cnt);
err = build_rdma_write(wqe, wr, &t3_wr_flit_cnt);
break;
case IB_WR_RDMA_READ:
case IB_WR_RDMA_READ_WITH_INV:
t3_wr_opcode = T3_WR_READ;
t3_wr_flags = 0; /* T3 reads are always signaled */
err = iwch_build_rdma_read(wqe, wr, &t3_wr_flit_cnt);
err = build_rdma_read(wqe, wr, &t3_wr_flit_cnt);
if (err)
break;
sqp->read_len = wqe->read.local_len;
if (!qhp->wq.oldest_read)
qhp->wq.oldest_read = sqp;
break;
case IB_WR_FAST_REG_MR:
t3_wr_opcode = T3_WR_FASTREG;
err = build_fastreg(wqe, wr, &t3_wr_flit_cnt,
&wr_cnt, &qhp->wq);
break;
case IB_WR_LOCAL_INV:
if (wr->send_flags & IB_SEND_FENCE)
t3_wr_flags |= T3_LOCAL_FENCE_FLAG;
t3_wr_opcode = T3_WR_INV_STAG;
err = build_inv_stag(wqe, wr, &t3_wr_flit_cnt);
break;
default:
PDBG("%s post of type=%d TBD!\n", __func__,
wr->opcode);
@ -307,14 +443,15 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
build_fw_riwrh((void *) wqe, t3_wr_opcode, t3_wr_flags,
Q_GENBIT(qhp->wq.wptr, qhp->wq.size_log2),
0, t3_wr_flit_cnt);
0, t3_wr_flit_cnt,
(wr_cnt == 1) ? T3_SOPEOP : T3_SOP);
PDBG("%s cookie 0x%llx wq idx 0x%x swsq idx %ld opcode %d\n",
__func__, (unsigned long long) wr->wr_id, idx,
Q_PTR2IDX(qhp->wq.sq_wptr, qhp->wq.sq_size_log2),
sqp->opcode);
wr = wr->next;
num_wrs--;
++(qhp->wq.wptr);
qhp->wq.wptr += wr_cnt;
++(qhp->wq.sq_wptr);
}
spin_unlock_irqrestore(&qhp->lock, flag);
@ -345,21 +482,27 @@ int iwch_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
return -EINVAL;
}
while (wr) {
if (wr->num_sge > T3_MAX_SGE) {
err = -EINVAL;
*bad_wr = wr;
break;
}
idx = Q_PTR2IDX(qhp->wq.wptr, qhp->wq.size_log2);
wqe = (union t3_wr *) (qhp->wq.queue + idx);
if (num_wrs)
err = iwch_build_rdma_recv(qhp->rhp, wqe, wr);
if (wr->sg_list[0].lkey)
err = build_rdma_recv(qhp, wqe, wr);
else
err = build_zero_stag_recv(qhp, wqe, wr);
else
err = -ENOMEM;
if (err) {
*bad_wr = wr;
break;
}
qhp->wq.rq[Q_PTR2IDX(qhp->wq.rq_wptr, qhp->wq.rq_size_log2)] =
wr->wr_id;
build_fw_riwrh((void *) wqe, T3_WR_RCV, T3_COMPLETION_FLAG,
Q_GENBIT(qhp->wq.wptr, qhp->wq.size_log2),
0, sizeof(struct t3_receive_wr) >> 3);
0, sizeof(struct t3_receive_wr) >> 3, T3_SOPEOP);
PDBG("%s cookie 0x%llx idx 0x%x rq_wptr 0x%x rw_rptr 0x%x "
"wqe %p \n", __func__, (unsigned long long) wr->wr_id,
idx, qhp->wq.rq_wptr, qhp->wq.rq_rptr, wqe);
@ -419,10 +562,10 @@ int iwch_bind_mw(struct ib_qp *qp,
sgl.lkey = mw_bind->mr->lkey;
sgl.length = mw_bind->length;
wqe->bind.reserved = 0;
wqe->bind.type = T3_VA_BASED_TO;
wqe->bind.type = TPT_VATO;
/* TBD: check perms */
wqe->bind.perms = iwch_ib_to_mwbind_access(mw_bind->mw_access_flags);
wqe->bind.perms = iwch_ib_to_tpt_access(mw_bind->mw_access_flags);
wqe->bind.mr_stag = cpu_to_be32(mw_bind->mr->lkey);
wqe->bind.mw_stag = cpu_to_be32(mw->rkey);
wqe->bind.mw_len = cpu_to_be32(mw_bind->length);
@ -430,7 +573,7 @@ int iwch_bind_mw(struct ib_qp *qp,
err = iwch_sgl2pbl_map(rhp, &sgl, 1, &pbl_addr, &page_size);
if (err) {
spin_unlock_irqrestore(&qhp->lock, flag);
return err;
return err;
}
wqe->send.wrid.id0.hi = qhp->wq.sq_wptr;
sqp = qhp->wq.sq + Q_PTR2IDX(qhp->wq.sq_wptr, qhp->wq.sq_size_log2);
@ -441,10 +584,9 @@ int iwch_bind_mw(struct ib_qp *qp,
sqp->signaled = (mw_bind->send_flags & IB_SEND_SIGNALED);
wqe->bind.mr_pbl_addr = cpu_to_be32(pbl_addr);
wqe->bind.mr_pagesz = page_size;
wqe->flit[T3_SQ_COOKIE_FLIT] = mw_bind->wr_id;
build_fw_riwrh((void *)wqe, T3_WR_BIND, t3_wr_flags,
Q_GENBIT(qhp->wq.wptr, qhp->wq.size_log2), 0,
sizeof(struct t3_bind_mw_wr) >> 3);
sizeof(struct t3_bind_mw_wr) >> 3, T3_SOPEOP);
++(qhp->wq.wptr);
++(qhp->wq.sq_wptr);
spin_unlock_irqrestore(&qhp->lock, flag);
@ -758,7 +900,8 @@ static int rdma_init(struct iwch_dev *rhp, struct iwch_qp *qhp,
init_attr.qp_dma_size = (1UL << qhp->wq.size_log2);
init_attr.rqe_count = iwch_rqes_posted(qhp);
init_attr.flags = qhp->attr.mpa_attr.initiator ? MPA_INITIATOR : 0;
init_attr.flags |= capable(CAP_NET_BIND_SERVICE) ? PRIV_QP : 0;
if (!qhp->ibqp.uobject)
init_attr.flags |= PRIV_QP;
if (peer2peer) {
init_attr.rtr_type = RTR_READ;
if (init_attr.ord == 0 && qhp->attr.mpa_attr.initiator)

9
drivers/infiniband/hw/ehca/ehca_irq.c
View File

@ -531,7 +531,7 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
{
struct ehca_eq *eq = &shca->eq;
struct ehca_eqe_cache_entry *eqe_cache = eq->eqe_cache;
u64 eqe_value;
u64 eqe_value, ret;
unsigned long flags;
int eqe_cnt, i;
int eq_empty = 0;
@ -583,8 +583,13 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
ehca_dbg(&shca->ib_device,
"No eqe found for irq event");
goto unlock_irq_spinlock;
} else if (!is_irq)
} else if (!is_irq) {
ret = hipz_h_eoi(eq->ist);
if (ret != H_SUCCESS)
ehca_err(&shca->ib_device,
"bad return code EOI -rc = %ld\n", ret);
ehca_dbg(&shca->ib_device, "deadman found %x eqe", eqe_cnt);
}
if (unlikely(eqe_cnt == EHCA_EQE_CACHE_SIZE))
ehca_dbg(&shca->ib_device, "too many eqes for one irq event");
/* enable irq for new packets */

1
drivers/infiniband/hw/ehca/ehca_main.c
View File

@ -923,6 +923,7 @@ static struct of_device_id ehca_device_table[] =
},
{},
};
MODULE_DEVICE_TABLE(of, ehca_device_table);
static struct of_platform_driver ehca_driver = {
.name = "ehca",

14
drivers/infiniband/hw/ehca/ehca_reqs.c
View File

@ -544,8 +544,16 @@ int ehca_post_recv(struct ib_qp *qp,
struct ib_recv_wr *recv_wr,
struct ib_recv_wr **bad_recv_wr)
{
return internal_post_recv(container_of(qp, struct ehca_qp, ib_qp),
qp->device, recv_wr, bad_recv_wr);
struct ehca_qp *my_qp = container_of(qp, struct ehca_qp, ib_qp);
/* Reject WR if QP is in RESET state */
if (unlikely(my_qp->state == IB_QPS_RESET)) {
ehca_err(qp->device, "Invalid QP state qp_state=%d qpn=%x",
my_qp->state, qp->qp_num);
return -EINVAL;
}
return internal_post_recv(my_qp, qp->device, recv_wr, bad_recv_wr);
}
int ehca_post_srq_recv(struct ib_srq *srq,
@ -681,7 +689,7 @@ static inline int ehca_poll_cq_one(struct ib_cq *cq, struct ib_wc *wc)
wc->dlid_path_bits = cqe->dlid;
wc->src_qp = cqe->remote_qp_number;
wc->wc_flags = cqe->w_completion_flags;
wc->imm_data = cpu_to_be32(cqe->immediate_data);
wc->ex.imm_data = cpu_to_be32(cqe->immediate_data);
wc->sl = cqe->service_level;
poll_cq_one_exit0:

10
drivers/infiniband/hw/ehca/hcp_if.c
View File

@ -933,3 +933,13 @@ u64 hipz_h_error_data(const struct ipz_adapter_handle adapter_handle,
r_cb,
0, 0, 0, 0);
}
u64 hipz_h_eoi(int irq)
{
unsigned long xirr;
iosync();
xirr = (0xffULL << 24) | irq;
return plpar_hcall_norets(H_EOI, xirr);
}

1
drivers/infiniband/hw/ehca/hcp_if.h
View File

@ -260,5 +260,6 @@ u64 hipz_h_error_data(const struct ipz_adapter_handle adapter_handle,
const u64 ressource_handle,
void *rblock,
unsigned long *byte_count);
u64 hipz_h_eoi(int irq);
#endif /* __HCP_IF_H__ */

2
drivers/infiniband/hw/ipath/ipath_cq.c
View File

@ -82,7 +82,7 @@ void ipath_cq_enter(struct ipath_cq *cq, struct ib_wc *entry, int solicited)
wc->uqueue[head].opcode = entry->opcode;
wc->uqueue[head].vendor_err = entry->vendor_err;
wc->uqueue[head].byte_len = entry->byte_len;
wc->uqueue[head].imm_data = (__u32 __force)entry->imm_data;
wc->uqueue[head].ex.imm_data = (__u32 __force) entry->ex.imm_data;
wc->uqueue[head].qp_num = entry->qp->qp_num;
wc->uqueue[head].src_qp = entry->src_qp;
wc->uqueue[head].wc_flags = entry->wc_flags;

4
drivers/infiniband/hw/ipath/ipath_iba7220.c
View File

@ -2228,8 +2228,8 @@ static void ipath_autoneg_send(struct ipath_devdata *dd, int which)
0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x40000001, 0x1388, 0x15e, /* rest 0's */
};
dcnt = sizeof(madpayload_start)/sizeof(madpayload_start[0]);
hcnt = sizeof(hdr)/sizeof(hdr[0]);
dcnt = ARRAY_SIZE(madpayload_start);
hcnt = ARRAY_SIZE(hdr);
if (!swapped) {
/* for maintainability, do it at runtime */
for (i = 0; i < hcnt; i++) {

6
drivers/infiniband/hw/ipath/ipath_mad.c
View File

@ -111,9 +111,9 @@ static int recv_subn_get_nodeinfo(struct ib_smp *smp,
nip->revision = cpu_to_be32((majrev << 16) | minrev);
nip->local_port_num = port;
vendor = dd->ipath_vendorid;
nip->vendor_id[0] = 0;
nip->vendor_id[1] = vendor >> 8;
nip->vendor_id[2] = vendor;
nip->vendor_id[0] = IPATH_SRC_OUI_1;
nip->vendor_id[1] = IPATH_SRC_OUI_2;
nip->vendor_id[2] = IPATH_SRC_OUI_3;
return reply(smp);
}

4
drivers/infiniband/hw/ipath/ipath_rc.c
View File

@ -1703,11 +1703,11 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
case OP(SEND_LAST_WITH_IMMEDIATE):
send_last_imm:
if (header_in_data) {
wc.imm_data = *(__be32 *) data;
wc.ex.imm_data = *(__be32 *) data;
data += sizeof(__be32);
} else {
/* Immediate data comes after BTH */
wc.imm_data = ohdr->u.imm_data;
wc.ex.imm_data = ohdr->u.imm_data;
}
hdrsize += 4;
wc.wc_flags = IB_WC_WITH_IMM;

4
drivers/infiniband/hw/ipath/ipath_ruc.c
View File

@ -331,7 +331,7 @@ static void ipath_ruc_loopback(struct ipath_qp *sqp)
switch (wqe->wr.opcode) {
case IB_WR_SEND_WITH_IMM:
wc.wc_flags = IB_WC_WITH_IMM;
wc.imm_data = wqe->wr.ex.imm_data;
wc.ex.imm_data = wqe->wr.ex.imm_data;
/* FALLTHROUGH */
case IB_WR_SEND:
if (!ipath_get_rwqe(qp, 0))
@ -342,7 +342,7 @@ static void ipath_ruc_loopback(struct ipath_qp *sqp)
if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_WRITE)))
goto inv_err;
wc.wc_flags = IB_WC_WITH_IMM;
wc.imm_data = wqe->wr.ex.imm_data;
wc.ex.imm_data = wqe->wr.ex.imm_data;
if (!ipath_get_rwqe(qp, 1))
goto rnr_nak;
/* FALLTHROUGH */

8
drivers/infiniband/hw/ipath/ipath_uc.c
View File

@ -379,11 +379,11 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
case OP(SEND_LAST_WITH_IMMEDIATE):
send_last_imm:
if (header_in_data) {
wc.imm_data = *(__be32 *) data;
wc.ex.imm_data = *(__be32 *) data;
data += sizeof(__be32);
} else {
/* Immediate data comes after BTH */
wc.imm_data = ohdr->u.imm_data;
wc.ex.imm_data = ohdr->u.imm_data;
}
hdrsize += 4;
wc.wc_flags = IB_WC_WITH_IMM;
@ -483,11 +483,11 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
case OP(RDMA_WRITE_LAST_WITH_IMMEDIATE):
rdma_last_imm:
if (header_in_data) {
wc.imm_data = *(__be32 *) data;
wc.ex.imm_data = *(__be32 *) data;
data += sizeof(__be32);
} else {
/* Immediate data comes after BTH */
wc.imm_data = ohdr->u.imm_data;
wc.ex.imm_data = ohdr->u.imm_data;
}
hdrsize += 4;
wc.wc_flags = IB_WC_WITH_IMM;

8
drivers/infiniband/hw/ipath/ipath_ud.c
View File

@ -96,7 +96,7 @@ static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_swqe *swqe)
if (swqe->wr.opcode == IB_WR_SEND_WITH_IMM) {
wc.wc_flags = IB_WC_WITH_IMM;
wc.imm_data = swqe->wr.ex.imm_data;
wc.ex.imm_data = swqe->wr.ex.imm_data;
}
/*
@ -492,14 +492,14 @@ void ipath_ud_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
if (qp->ibqp.qp_num > 1 &&
opcode == IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE) {
if (header_in_data) {
wc.imm_data = *(__be32 *) data;
wc.ex.imm_data = *(__be32 *) data;
data += sizeof(__be32);
} else
wc.imm_data = ohdr->u.ud.imm_data;
wc.ex.imm_data = ohdr->u.ud.imm_data;
wc.wc_flags = IB_WC_WITH_IMM;
hdrsize += sizeof(u32);
} else if (opcode == IB_OPCODE_UD_SEND_ONLY) {
wc.imm_data = 0;
wc.ex.imm_data = 0;
wc.wc_flags = 0;
} else {
dev->n_pkt_drops++;

3
drivers/infiniband/hw/ipath/ipath_verbs.c
View File

@ -1497,7 +1497,8 @@ static int ipath_query_device(struct ib_device *ibdev,
IB_DEVICE_SYS_IMAGE_GUID | IB_DEVICE_RC_RNR_NAK_GEN |
IB_DEVICE_PORT_ACTIVE_EVENT | IB_DEVICE_SRQ_RESIZE;
props->page_size_cap = PAGE_SIZE;
props->vendor_id = dev->dd->ipath_vendorid;
props->vendor_id =
IPATH_SRC_OUI_1 << 16 | IPATH_SRC_OUI_2 << 8 | IPATH_SRC_OUI_3;
props->vendor_part_id = dev->dd->ipath_deviceid;
props->hw_ver = dev->dd->ipath_pcirev;

12
drivers/infiniband/hw/mlx4/cq.c
View File

@ -663,18 +663,18 @@ static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq,
switch (cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) {
case MLX4_RECV_OPCODE_RDMA_WRITE_IMM:
wc->opcode = IB_WC_RECV_RDMA_WITH_IMM;
wc->wc_flags = IB_WC_WITH_IMM;
wc->imm_data = cqe->immed_rss_invalid;
wc->opcode = IB_WC_RECV_RDMA_WITH_IMM;
wc->wc_flags = IB_WC_WITH_IMM;
wc->ex.imm_data = cqe->immed_rss_invalid;
break;
case MLX4_RECV_OPCODE_SEND:
wc->opcode = IB_WC_RECV;
wc->wc_flags = 0;
break;
case MLX4_RECV_OPCODE_SEND_IMM:
wc->opcode = IB_WC_RECV;
wc->wc_flags = IB_WC_WITH_IMM;
wc->imm_data = cqe->immed_rss_invalid;
wc->opcode = IB_WC_RECV;
wc->wc_flags = IB_WC_WITH_IMM;
wc->ex.imm_data = cqe->immed_rss_invalid;
break;
}

3
drivers/infiniband/hw/mlx4/mad.c
View File

@ -255,7 +255,8 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
return IB_MAD_RESULT_SUCCESS;
} else if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT ||
in_mad->mad_hdr.mgmt_class == MLX4_IB_VENDOR_CLASS1 ||
in_mad->mad_hdr.mgmt_class == MLX4_IB_VENDOR_CLASS2) {
in_mad->mad_hdr.mgmt_class == MLX4_IB_VENDOR_CLASS2 ||
in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_CONG_MGMT) {
if (in_mad->mad_hdr.method != IB_MGMT_METHOD_GET &&
in_mad->mad_hdr.method != IB_MGMT_METHOD_SET)
return IB_MAD_RESULT_SUCCESS;

7
drivers/infiniband/hw/mlx4/main.c
View File

@ -90,7 +90,8 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
IB_DEVICE_PORT_ACTIVE_EVENT |
IB_DEVICE_SYS_IMAGE_GUID |
IB_DEVICE_RC_RNR_NAK_GEN;
IB_DEVICE_RC_RNR_NAK_GEN |
IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR)
props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR)
@ -437,7 +438,9 @@ static int mlx4_ib_dealloc_pd(struct ib_pd *pd)
static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
{
return mlx4_multicast_attach(to_mdev(ibqp->device)->dev,
&to_mqp(ibqp)->mqp, gid->raw);
&to_mqp(ibqp)->mqp, gid->raw,
!!(to_mqp(ibqp)->flags &
MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK));
}
static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)

3
drivers/infiniband/hw/mlx4/mlx4_ib.h
View File

@ -101,7 +101,8 @@ struct mlx4_ib_wq {
};
enum mlx4_ib_qp_flags {
MLX4_IB_QP_LSO = 1 << 0
MLX4_IB_QP_LSO = 1 << 0,
MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = 1 << 1,
};
struct mlx4_ib_qp {

73
drivers/infiniband/hw/mlx4/qp.c
View File

@ -129,9 +129,10 @@ static void stamp_send_wqe(struct mlx4_ib_qp *qp, int n, int size)
int ind;
void *buf;
__be32 stamp;
struct mlx4_wqe_ctrl_seg *ctrl;
s = roundup(size, 1U << qp->sq.wqe_shift);
if (qp->sq_max_wqes_per_wr > 1) {
s = roundup(size, 1U << qp->sq.wqe_shift);
for (i = 0; i < s; i += 64) {
ind = (i >> qp->sq.wqe_shift) + n;
stamp = ind & qp->sq.wqe_cnt ? cpu_to_be32(0x7fffffff) :
@ -141,7 +142,8 @@ static void stamp_send_wqe(struct mlx4_ib_qp *qp, int n, int size)
*wqe = stamp;
}
} else {
buf = get_send_wqe(qp, n & (qp->sq.wqe_cnt - 1));
ctrl = buf = get_send_wqe(qp, n & (qp->sq.wqe_cnt - 1));
s = (ctrl->fence_size & 0x3f) << 4;
for (i = 64; i < s; i += 64) {
wqe = buf + i;
*wqe = cpu_to_be32(0xffffffff);
@ -452,19 +454,8 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
spin_lock_init(&qp->rq.lock);
qp->state = IB_QPS_RESET;
qp->atomic_rd_en = 0;
qp->resp_depth = 0;
qp->rq.head = 0;
qp->rq.tail = 0;
qp->sq.head = 0;
qp->sq.tail = 0;
qp->sq_next_wqe = 0;
if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR)
qp->sq_signal_bits = cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE);
else
qp->sq_signal_bits = 0;
err = set_rq_size(dev, &init_attr->cap, !!pd->uobject, !!init_attr->srq, qp);
if (err)
@ -509,6 +500,9 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
} else {
qp->sq_no_prefetch = 0;
if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK)
qp->flags |= MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK;
if (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)
qp->flags |= MLX4_IB_QP_LSO;
@ -682,10 +676,15 @@ struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
struct mlx4_ib_qp *qp;
int err;
/* We only support LSO, and only for kernel UD QPs. */
if (init_attr->create_flags & ~IB_QP_CREATE_IPOIB_UD_LSO)
/*
* We only support LSO and multicast loopback blocking, and
* only for kernel UD QPs.
*/
if (init_attr->create_flags & ~(IB_QP_CREATE_IPOIB_UD_LSO |
IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK))
return ERR_PTR(-EINVAL);
if (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO &&
if (init_attr->create_flags &&
(pd->uobject || init_attr->qp_type != IB_QPT_UD))
return ERR_PTR(-EINVAL);
@ -694,7 +693,7 @@ struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
case IB_QPT_UC:
case IB_QPT_UD:
{
qp = kmalloc(sizeof *qp, GFP_KERNEL);
qp = kzalloc(sizeof *qp, GFP_KERNEL);
if (!qp)
return ERR_PTR(-ENOMEM);
@ -715,7 +714,7 @@ struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
if (pd->uobject)
return ERR_PTR(-EINVAL);
sqp = kmalloc(sizeof *sqp, GFP_KERNEL);
sqp = kzalloc(sizeof *sqp, GFP_KERNEL);
if (!sqp)
return ERR_PTR(-ENOMEM);
@ -906,7 +905,8 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
attr->path_mtu);
goto out;
}
context->mtu_msgmax = (attr->path_mtu << 5) | 31;
context->mtu_msgmax = (attr->path_mtu << 5) |
ilog2(dev->dev->caps.max_msg_sz);
}
if (qp->rq.wqe_cnt)
@ -1063,6 +1063,8 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
for (i = 0; i < qp->sq.wqe_cnt; ++i) {
ctrl = get_send_wqe(qp, i);
ctrl->owner_opcode = cpu_to_be32(1 << 31);
if (qp->sq_max_wqes_per_wr == 1)
ctrl->fence_size = 1 << (qp->sq.wqe_shift - 4);
stamp_send_wqe(qp, i, 1 << qp->sq.wqe_shift);
}
@ -1127,23 +1129,6 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
return err;
}
static const struct ib_qp_attr mlx4_ib_qp_attr = { .port_num = 1 };
static const int mlx4_ib_qp_attr_mask_table[IB_QPT_UD + 1] = {
[IB_QPT_UD] = (IB_QP_PKEY_INDEX |
IB_QP_PORT |
IB_QP_QKEY),
[IB_QPT_UC] = (IB_QP_PKEY_INDEX |
IB_QP_PORT |
IB_QP_ACCESS_FLAGS),
[IB_QPT_RC] = (IB_QP_PKEY_INDEX |
IB_QP_PORT |
IB_QP_ACCESS_FLAGS),
[IB_QPT_SMI] = (IB_QP_PKEY_INDEX |
IB_QP_QKEY),
[IB_QPT_GSI] = (IB_QP_PKEY_INDEX |
IB_QP_QKEY),
};
int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata)
{
@ -1186,15 +1171,6 @@ int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
goto out;
}
if (cur_state == IB_QPS_RESET && new_state == IB_QPS_ERR) {
err = __mlx4_ib_modify_qp(ibqp, &mlx4_ib_qp_attr,
mlx4_ib_qp_attr_mask_table[ibqp->qp_type],
IB_QPS_RESET, IB_QPS_INIT);
if (err)
goto out;
cur_state = IB_QPS_INIT;
}
err = __mlx4_ib_modify_qp(ibqp, attr, attr_mask, cur_state, new_state);
out:
@ -1865,6 +1841,13 @@ int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr
qp_init_attr->cap = qp_attr->cap;
qp_init_attr->create_flags = 0;
if (qp->flags & MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK)
qp_init_attr->create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK;
if (qp->flags & MLX4_IB_QP_LSO)
qp_init_attr->create_flags |= IB_QP_CREATE_IPOIB_UD_LSO;
out:
mutex_unlock(&qp->mutex);
return err;

2
drivers/infiniband/hw/mthca/mthca_allocator.c
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_allocator.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/errno.h>

2
drivers/infiniband/hw/mthca/mthca_av.c
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_av.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/string.h>

17
drivers/infiniband/hw/mthca/mthca_catas.c
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id$
*/
#include <linux/jiffies.h>
@ -128,7 +126,6 @@ static void handle_catas(struct mthca_dev *dev)
static void poll_catas(unsigned long dev_ptr)
{
struct mthca_dev *dev = (struct mthca_dev *) dev_ptr;
unsigned long flags;
int i;
for (i = 0; i < dev->catas_err.size; ++i)
@ -137,13 +134,8 @@ static void poll_catas(unsigned long dev_ptr)
return;
}
spin_lock_irqsave(&catas_lock, flags);
if (!dev->catas_err.stop)
mod_timer(&dev->catas_err.timer,
jiffies + MTHCA_CATAS_POLL_INTERVAL);
spin_unlock_irqrestore(&catas_lock, flags);
return;
mod_timer(&dev->catas_err.timer,
round_jiffies(jiffies + MTHCA_CATAS_POLL_INTERVAL));
}
void mthca_start_catas_poll(struct mthca_dev *dev)
@ -151,7 +143,6 @@ void mthca_start_catas_poll(struct mthca_dev *dev)
unsigned long addr;
init_timer(&dev->catas_err.timer);
dev->catas_err.stop = 0;
dev->catas_err.map = NULL;
addr = pci_resource_start(dev->pdev, 0) +
@ -182,10 +173,6 @@ void mthca_start_catas_poll(struct mthca_dev *dev)
void mthca_stop_catas_poll(struct mthca_dev *dev)
{
spin_lock_irq(&catas_lock);
dev->catas_err.stop = 1;
spin_unlock_irq(&catas_lock);
del_timer_sync(&dev->catas_err.timer);
if (dev->catas_err.map) {

2
drivers/infiniband/hw/mthca/mthca_cmd.c
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_cmd.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/completion.h>

2
drivers/infiniband/hw/mthca/mthca_cmd.h
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_cmd.h 1349 2004-12-16 21:09:43Z roland $
*/
#ifndef MTHCA_CMD_H

2
drivers/infiniband/hw/mthca/mthca_config_reg.h
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_config_reg.h 1349 2004-12-16 21:09:43Z roland $
*/
#ifndef MTHCA_CONFIG_REG_H

6
drivers/infiniband/hw/mthca/mthca_cq.c
View File

@ -32,8 +32,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_cq.c 1369 2004-12-20 16:17:07Z roland $
*/
#include <linux/hardirq.h>
@ -622,13 +620,13 @@ static inline int mthca_poll_one(struct mthca_dev *dev,
case IB_OPCODE_SEND_LAST_WITH_IMMEDIATE:
case IB_OPCODE_SEND_ONLY_WITH_IMMEDIATE:
entry->wc_flags = IB_WC_WITH_IMM;
entry->imm_data = cqe->imm_etype_pkey_eec;
entry->ex.imm_data = cqe->imm_etype_pkey_eec;
entry->opcode = IB_WC_RECV;
break;
case IB_OPCODE_RDMA_WRITE_LAST_WITH_IMMEDIATE:
case IB_OPCODE_RDMA_WRITE_ONLY_WITH_IMMEDIATE:
entry->wc_flags = IB_WC_WITH_IMM;
entry->imm_data = cqe->imm_etype_pkey_eec;
entry->ex.imm_data = cqe->imm_etype_pkey_eec;
entry->opcode = IB_WC_RECV_RDMA_WITH_IMM;
break;
default:

3
drivers/infiniband/hw/mthca/mthca_dev.h
View File

@ -32,8 +32,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_dev.h 1349 2004-12-16 21:09:43Z roland $
*/
#ifndef MTHCA_DEV_H
@ -279,7 +277,6 @@ struct mthca_mcg_table {
struct mthca_catas_err {
u64 addr;
u32 __iomem *map;
unsigned long stop;
u32 size;
struct timer_list timer;
struct list_head list;

2
drivers/infiniband/hw/mthca/mthca_doorbell.h
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_doorbell.h 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/types.h>

2
drivers/infiniband/hw/mthca/mthca_eq.c
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_eq.c 1382 2004-12-24 02:21:02Z roland $
*/
#include <linux/errno.h>

2
drivers/infiniband/hw/mthca/mthca_mad.c
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_mad.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/string.h>

2
drivers/infiniband/hw/mthca/mthca_main.c
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_main.c 1396 2004-12-28 04:10:27Z roland $
*/
#include <linux/module.h>

2
drivers/infiniband/hw/mthca/mthca_mcg.c
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_mcg.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/string.h>

2
drivers/infiniband/hw/mthca/mthca_memfree.c
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id$
*/
#include <linux/mm.h>

2
drivers/infiniband/hw/mthca/mthca_memfree.h
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id$
*/
#ifndef MTHCA_MEMFREE_H

2
drivers/infiniband/hw/mthca/mthca_mr.c
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_mr.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/slab.h>

2
drivers/infiniband/hw/mthca/mthca_pd.c
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_pd.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/errno.h>

2
drivers/infiniband/hw/mthca/mthca_profile.c
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_profile.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/module.h>

2
drivers/infiniband/hw/mthca/mthca_profile.h
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_profile.h 1349 2004-12-16 21:09:43Z roland $
*/
#ifndef MTHCA_PROFILE_H

2
drivers/infiniband/hw/mthca/mthca_provider.c
View File

@ -32,8 +32,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_provider.c 4859 2006-01-09 21:55:10Z roland $
*/
#include <rdma/ib_smi.h>

2
drivers/infiniband/hw/mthca/mthca_provider.h
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_provider.h 1349 2004-12-16 21:09:43Z roland $
*/
#ifndef MTHCA_PROVIDER_H

32
drivers/infiniband/hw/mthca/mthca_qp.c
View File

@ -31,8 +31,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_qp.c 1355 2004-12-17 15:23:43Z roland $
*/
#include <linux/string.h>
@ -850,23 +848,6 @@ static int __mthca_modify_qp(struct ib_qp *ibqp,
return err;
}
static const struct ib_qp_attr dummy_init_attr = { .port_num = 1 };
static const int dummy_init_attr_mask[] = {
[IB_QPT_UD] = (IB_QP_PKEY_INDEX |
IB_QP_PORT |
IB_QP_QKEY),
[IB_QPT_UC] = (IB_QP_PKEY_INDEX |
IB_QP_PORT |
IB_QP_ACCESS_FLAGS),
[IB_QPT_RC] = (IB_QP_PKEY_INDEX |
IB_QP_PORT |
IB_QP_ACCESS_FLAGS),
[IB_QPT_SMI] = (IB_QP_PKEY_INDEX |
IB_QP_QKEY),
[IB_QPT_GSI] = (IB_QP_PKEY_INDEX |
IB_QP_QKEY),
};
int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
struct ib_udata *udata)
{
@ -928,15 +909,6 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
goto out;
}
if (cur_state == IB_QPS_RESET && new_state == IB_QPS_ERR) {
err = __mthca_modify_qp(ibqp, &dummy_init_attr,
dummy_init_attr_mask[ibqp->qp_type],
IB_QPS_RESET, IB_QPS_INIT);
if (err)
goto out;
cur_state = IB_QPS_INIT;
}
err = __mthca_modify_qp(ibqp, attr, attr_mask, cur_state, new_state);
out:
@ -1277,10 +1249,10 @@ static int mthca_set_qp_size(struct mthca_dev *dev, struct ib_qp_cap *cap,
return -EINVAL;
/*
* For MLX transport we need 2 extra S/G entries:
* For MLX transport we need 2 extra send gather entries:
* one for the header and one for the checksum at the end
*/
if (qp->transport == MLX && cap->max_recv_sge + 2 > dev->limits.max_sg)
if (qp->transport == MLX && cap->max_send_sge + 2 > dev->limits.max_sg)
return -EINVAL;
if (mthca_is_memfree(dev)) {

2
drivers/infiniband/hw/mthca/mthca_reset.c
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_reset.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/init.h>

2
drivers/infiniband/hw/mthca/mthca_srq.c
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_srq.c 3047 2005-08-10 03:59:35Z roland $
*/
#include <linux/slab.h>

2
drivers/infiniband/hw/mthca/mthca_uar.c
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id$
*/
#include <asm/page.h> /* PAGE_SHIFT */

1
drivers/infiniband/hw/mthca/mthca_user.h
View File

@ -29,7 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifndef MTHCA_USER_H

2
drivers/infiniband/hw/mthca/mthca_wqe.h
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: mthca_wqe.h 3047 2005-08-10 03:59:35Z roland $
*/
#ifndef MTHCA_WQE_H

2
drivers/infiniband/hw/nes/nes.c
View File

@ -328,7 +328,7 @@ void nes_rem_ref(struct ib_qp *ibqp)
set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_ID_IDX, nesqp->hwqp.qp_id);
u64temp = (u64)nesqp->nesqp_context_pbase;
set_wqe_64bit_value(cqp_wqe->wqe_words, NES_CQP_QP_WQE_CONTEXT_LOW_IDX, u64temp);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
}
}

9
drivers/infiniband/hw/nes/nes.h
View File

@ -94,9 +94,6 @@
#define MAX_DPC_ITERATIONS 128
#define NES_CQP_REQUEST_NO_DOORBELL_RING 0
#define NES_CQP_REQUEST_RING_DOORBELL 1
#define NES_DRV_OPT_ENABLE_MPA_VER_0 0x00000001
#define NES_DRV_OPT_DISABLE_MPA_CRC 0x00000002
#define NES_DRV_OPT_DISABLE_FIRST_WRITE 0x00000004
@ -538,7 +535,11 @@ void nes_read_1G_phy_reg(struct nes_device *, u8, u8, u16 *);
void nes_write_10G_phy_reg(struct nes_device *, u16, u8, u16, u16);
void nes_read_10G_phy_reg(struct nes_device *, u8, u8, u16);
struct nes_cqp_request *nes_get_cqp_request(struct nes_device *);
void nes_post_cqp_request(struct nes_device *, struct nes_cqp_request *, int);
void nes_free_cqp_request(struct nes_device *nesdev,
struct nes_cqp_request *cqp_request);
void nes_put_cqp_request(struct nes_device *nesdev,
struct nes_cqp_request *cqp_request);
void nes_post_cqp_request(struct nes_device *, struct nes_cqp_request *);
int nes_arp_table(struct nes_device *, u32, u8 *, u32);
void nes_mh_fix(unsigned long);
void nes_clc(unsigned long);

1
drivers/infiniband/hw/nes/nes_cm.c
View File

@ -1603,7 +1603,6 @@ static struct nes_cm_listener *mini_cm_listen(struct nes_cm_core *cm_core,
return NULL;
}
memset(listener, 0, sizeof(struct nes_cm_listener));
listener->loc_addr = htonl(cm_info->loc_addr);
listener->loc_port = htons(cm_info->loc_port);
listener->reused_node = 0;

68
drivers/infiniband/hw/nes/nes_hw.c
View File

@ -398,7 +398,7 @@ struct nes_adapter *nes_init_adapter(struct nes_device *nesdev, u8 hw_rev) {
nesadapter->base_pd = 1;
nesadapter->device_cap_flags =
IB_DEVICE_ZERO_STAG | IB_DEVICE_MEM_WINDOW;
IB_DEVICE_LOCAL_DMA_LKEY | IB_DEVICE_MEM_WINDOW;
nesadapter->allocated_qps = (unsigned long *)&(((unsigned char *)nesadapter)
[(sizeof(struct nes_adapter)+(sizeof(unsigned long)-1))&(~(sizeof(unsigned long)-1))]);
@ -2710,39 +2710,11 @@ static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
barrier();
cqp_request->request_done = 1;
wake_up(&cqp_request->waitq);
if (atomic_dec_and_test(&cqp_request->refcount)) {
nes_debug(NES_DBG_CQP, "CQP request %p (opcode 0x%02X) freed.\n",
cqp_request,
le32_to_cpu(cqp_request->cqp_wqe.wqe_words[NES_CQP_WQE_OPCODE_IDX])&0x3f);
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
} else if (cqp_request->callback) {
/* Envoke the callback routine */
cqp_request->cqp_callback(nesdev, cqp_request);
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
nes_put_cqp_request(nesdev, cqp_request);
} else {
nes_debug(NES_DBG_CQP, "CQP request %p (opcode 0x%02X) freed.\n",
cqp_request,
le32_to_cpu(cqp_request->cqp_wqe.wqe_words[NES_CQP_WQE_OPCODE_IDX]) & 0x3f);
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
if (cqp_request->callback)
cqp_request->cqp_callback(nesdev, cqp_request);
nes_free_cqp_request(nesdev, cqp_request);
}
} else {
wake_up(&nesdev->cqp.waitq);
@ -3149,7 +3121,6 @@ int nes_manage_apbvt(struct nes_vnic *nesvnic, u32 accel_local_port,
{
struct nes_device *nesdev = nesvnic->nesdev;
struct nes_hw_cqp_wqe *cqp_wqe;
unsigned long flags;
struct nes_cqp_request *cqp_request;
int ret = 0;
u16 major_code;
@ -3176,7 +3147,7 @@ int nes_manage_apbvt(struct nes_vnic *nesvnic, u32 accel_local_port,
nes_debug(NES_DBG_QP, "Waiting for CQP completion for APBVT.\n");
atomic_set(&cqp_request->refcount, 2);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
if (add_port == NES_MANAGE_APBVT_ADD)
ret = wait_event_timeout(cqp_request->waitq, (cqp_request->request_done != 0),
@ -3184,15 +3155,9 @@ int nes_manage_apbvt(struct nes_vnic *nesvnic, u32 accel_local_port,
nes_debug(NES_DBG_QP, "Completed, ret=%u, CQP Major:Minor codes = 0x%04X:0x%04X\n",
ret, cqp_request->major_code, cqp_request->minor_code);
major_code = cqp_request->major_code;
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
nes_put_cqp_request(nesdev, cqp_request);
if (!ret)
return -ETIME;
else if (major_code)
@ -3252,7 +3217,7 @@ void nes_manage_arp_cache(struct net_device *netdev, unsigned char *mac_addr,
nesdev->cqp.sq_head, nesdev->cqp.sq_tail);
atomic_set(&cqp_request->refcount, 1);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
}
@ -3262,7 +3227,6 @@ void nes_manage_arp_cache(struct net_device *netdev, unsigned char *mac_addr,
void flush_wqes(struct nes_device *nesdev, struct nes_qp *nesqp,
u32 which_wq, u32 wait_completion)
{
unsigned long flags;
struct nes_cqp_request *cqp_request;
struct nes_hw_cqp_wqe *cqp_wqe;
int ret;
@ -3285,7 +3249,7 @@ void flush_wqes(struct nes_device *nesdev, struct nes_qp *nesqp,
cpu_to_le32(NES_CQP_FLUSH_WQES | which_wq);
cqp_wqe->wqe_words[NES_CQP_WQE_ID_IDX] = cpu_to_le32(nesqp->hwqp.qp_id);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
if (wait_completion) {
/* Wait for CQP */
@ -3294,14 +3258,6 @@ void flush_wqes(struct nes_device *nesdev, struct nes_qp *nesqp,
nes_debug(NES_DBG_QP, "Flush SQ QP WQEs completed, ret=%u,"
" CQP Major:Minor codes = 0x%04X:0x%04X\n",
ret, cqp_request->major_code, cqp_request->minor_code);
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
nes_put_cqp_request(nesdev, cqp_request);
}
}

2
drivers/infiniband/hw/nes/nes_hw.h
View File

@ -1172,7 +1172,7 @@ struct nes_vnic {
u32 mcrq_qp_id;
struct nes_ucontext *mcrq_ucontext;
struct nes_cqp_request* (*get_cqp_request)(struct nes_device *nesdev);
void (*post_cqp_request)(struct nes_device*, struct nes_cqp_request *, int);
void (*post_cqp_request)(struct nes_device*, struct nes_cqp_request *);
int (*mcrq_mcast_filter)( struct nes_vnic* nesvnic, __u8* dmi_addr );
struct net_device_stats netstats;
/* used to put the netdev on the adapters logical port list */

33
drivers/infiniband/hw/nes/nes_utils.c
View File

@ -567,12 +567,36 @@ struct nes_cqp_request *nes_get_cqp_request(struct nes_device *nesdev)
return cqp_request;
}
void nes_free_cqp_request(struct nes_device *nesdev,
struct nes_cqp_request *cqp_request)
{
unsigned long flags;
nes_debug(NES_DBG_CQP, "CQP request %p (opcode 0x%02X) freed.\n",
cqp_request,
le32_to_cpu(cqp_request->cqp_wqe.wqe_words[NES_CQP_WQE_OPCODE_IDX]) & 0x3f);
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
void nes_put_cqp_request(struct nes_device *nesdev,
struct nes_cqp_request *cqp_request)
{
if (atomic_dec_and_test(&cqp_request->refcount))
nes_free_cqp_request(nesdev, cqp_request);
}
/**
* nes_post_cqp_request
*/
void nes_post_cqp_request(struct nes_device *nesdev,
struct nes_cqp_request *cqp_request, int ring_doorbell)
struct nes_cqp_request *cqp_request)
{
struct nes_hw_cqp_wqe *cqp_wqe;
unsigned long flags;
@ -600,10 +624,9 @@ void nes_post_cqp_request(struct nes_device *nesdev,
nesdev->cqp.sq_head, nesdev->cqp.sq_tail, nesdev->cqp.sq_size,
cqp_request->waiting, atomic_read(&cqp_request->refcount));
barrier();
if (ring_doorbell) {
/* Ring doorbell (1 WQEs) */
nes_write32(nesdev->regs+NES_WQE_ALLOC, 0x01800000 | nesdev->cqp.qp_id);
}
/* Ring doorbell (1 WQEs) */
nes_write32(nesdev->regs+NES_WQE_ALLOC, 0x01800000 | nesdev->cqp.qp_id);
barrier();
} else {

207
drivers/infiniband/hw/nes/nes_verbs.c
View File

@ -55,7 +55,6 @@ static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev);
* nes_alloc_mw
*/
static struct ib_mw *nes_alloc_mw(struct ib_pd *ibpd) {
unsigned long flags;
struct nes_pd *nespd = to_nespd(ibpd);
struct nes_vnic *nesvnic = to_nesvnic(ibpd->device);
struct nes_device *nesdev = nesvnic->nesdev;
@ -119,7 +118,7 @@ static struct ib_mw *nes_alloc_mw(struct ib_pd *ibpd) {
set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_STAG_WQE_STAG_IDX, stag);
atomic_set(&cqp_request->refcount, 2);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
/* Wait for CQP */
ret = wait_event_timeout(cqp_request->waitq, (cqp_request->request_done != 0),
@ -128,15 +127,7 @@ static struct ib_mw *nes_alloc_mw(struct ib_pd *ibpd) {
" CQP Major:Minor codes = 0x%04X:0x%04X.\n",
stag, ret, cqp_request->major_code, cqp_request->minor_code);
if ((!ret) || (cqp_request->major_code)) {
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
nes_put_cqp_request(nesdev, cqp_request);
kfree(nesmr);
nes_free_resource(nesadapter, nesadapter->allocated_mrs, stag_index);
if (!ret) {
@ -144,17 +135,8 @@ static struct ib_mw *nes_alloc_mw(struct ib_pd *ibpd) {
} else {
return ERR_PTR(-ENOMEM);
}
} else {
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
}
nes_put_cqp_request(nesdev, cqp_request);
nesmr->ibmw.rkey = stag;
nesmr->mode = IWNES_MEMREG_TYPE_MW;
@ -178,7 +160,6 @@ static int nes_dealloc_mw(struct ib_mw *ibmw)
struct nes_hw_cqp_wqe *cqp_wqe;
struct nes_cqp_request *cqp_request;
int err = 0;
unsigned long flags;
int ret;
/* Deallocate the window with the adapter */
@ -194,7 +175,7 @@ static int nes_dealloc_mw(struct ib_mw *ibmw)
set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_STAG_WQE_STAG_IDX, ibmw->rkey);
atomic_set(&cqp_request->refcount, 2);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
/* Wait for CQP */
nes_debug(NES_DBG_MR, "Waiting for deallocate STag 0x%08X to complete.\n",
@ -204,32 +185,12 @@ static int nes_dealloc_mw(struct ib_mw *ibmw)
nes_debug(NES_DBG_MR, "Deallocate STag completed, wait_event_timeout ret = %u,"
" CQP Major:Minor codes = 0x%04X:0x%04X.\n",
ret, cqp_request->major_code, cqp_request->minor_code);
if ((!ret) || (cqp_request->major_code)) {
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
if (!ret) {
err = -ETIME;
} else {
err = -EIO;
}
} else {
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
}
if (!ret)
err = -ETIME;
else if (cqp_request->major_code)
err = -EIO;
nes_put_cqp_request(nesdev, cqp_request);
nes_free_resource(nesadapter, nesadapter->allocated_mrs,
(ibmw->rkey & 0x0fffff00) >> 8);
@ -516,7 +477,7 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
(nesfmr->nesmr.pbls_used-1) : nesfmr->nesmr.pbls_used);
atomic_set(&cqp_request->refcount, 2);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
/* Wait for CQP */
ret = wait_event_timeout(cqp_request->waitq, (cqp_request->request_done != 0),
@ -526,29 +487,11 @@ static struct ib_fmr *nes_alloc_fmr(struct ib_pd *ibpd,
stag, ret, cqp_request->major_code, cqp_request->minor_code);
if ((!ret) || (cqp_request->major_code)) {
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
nes_put_cqp_request(nesdev, cqp_request);
ret = (!ret) ? -ETIME : -EIO;
goto failed_leaf_vpbl_pages_alloc;
} else {
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
}
nes_put_cqp_request(nesdev, cqp_request);
nesfmr->nesmr.ibfmr.lkey = stag;
nesfmr->nesmr.ibfmr.rkey = stag;
nesfmr->attr = *ibfmr_attr;
@ -1474,7 +1417,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
set_wqe_64bit_value(cqp_wqe->wqe_words, NES_CQP_QP_WQE_CONTEXT_LOW_IDX, u64temp);
atomic_set(&cqp_request->refcount, 2);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
/* Wait for CQP */
nes_debug(NES_DBG_QP, "Waiting for create iWARP QP%u to complete.\n",
@ -1487,15 +1430,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
nesqp->hwqp.qp_id, ret, nesdev->cqp.sq_head, nesdev->cqp.sq_tail,
cqp_request->major_code, cqp_request->minor_code);
if ((!ret) || (cqp_request->major_code)) {
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
nes_put_cqp_request(nesdev, cqp_request);
nes_free_resource(nesadapter, nesadapter->allocated_qps, qp_num);
nes_free_qp_mem(nesdev, nesqp,virt_wqs);
kfree(nesqp->allocated_buffer);
@ -1504,18 +1439,10 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
} else {
return ERR_PTR(-EIO);
}
} else {
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
}
nes_put_cqp_request(nesdev, cqp_request);
if (ibpd->uobject) {
uresp.mmap_sq_db_index = nesqp->mmap_sq_db_index;
uresp.actual_sq_size = sq_size;
@ -1817,7 +1744,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
cpu_to_le32(((u32)((u64temp) >> 33)) & 0x7FFFFFFF);
atomic_set(&cqp_request->refcount, 2);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
/* Wait for CQP */
nes_debug(NES_DBG_CQ, "Waiting for create iWARP CQ%u to complete.\n",
@ -1827,32 +1754,15 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
nes_debug(NES_DBG_CQ, "Create iWARP CQ%u completed, wait_event_timeout ret = %d.\n",
nescq->hw_cq.cq_number, ret);
if ((!ret) || (cqp_request->major_code)) {
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
nes_put_cqp_request(nesdev, cqp_request);
if (!context)
pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem,
nescq->hw_cq.cq_pbase);
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
kfree(nescq);
return ERR_PTR(-EIO);
} else {
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
}
nes_put_cqp_request(nesdev, cqp_request);
if (context) {
/* free the nespbl */
@ -1931,7 +1841,7 @@ static int nes_destroy_cq(struct ib_cq *ib_cq)
(nescq->hw_cq.cq_number | ((u32)PCI_FUNC(nesdev->pcidev->devfn) << 16)));
nes_free_resource(nesadapter, nesadapter->allocated_cqs, nescq->hw_cq.cq_number);
atomic_set(&cqp_request->refcount, 2);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
/* Wait for CQP */
nes_debug(NES_DBG_CQ, "Waiting for destroy iWARP CQ%u to complete.\n",
@ -1942,37 +1852,18 @@ static int nes_destroy_cq(struct ib_cq *ib_cq)
" CQP Major:Minor codes = 0x%04X:0x%04X.\n",
nescq->hw_cq.cq_number, ret, cqp_request->major_code,
cqp_request->minor_code);
if ((!ret) || (cqp_request->major_code)) {
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
if (!ret) {
nes_debug(NES_DBG_CQ, "iWARP CQ%u destroy timeout expired\n",
if (!ret) {
nes_debug(NES_DBG_CQ, "iWARP CQ%u destroy timeout expired\n",
nescq->hw_cq.cq_number);
ret = -ETIME;
} else {
nes_debug(NES_DBG_CQ, "iWARP CQ%u destroy failed\n",
ret = -ETIME;
} else if (cqp_request->major_code) {
nes_debug(NES_DBG_CQ, "iWARP CQ%u destroy failed\n",
nescq->hw_cq.cq_number);
ret = -EIO;
}
ret = -EIO;
} else {
ret = 0;
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
}
nes_put_cqp_request(nesdev, cqp_request);
if (nescq->cq_mem_size)
pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size,
@ -2096,7 +1987,7 @@ static int nes_reg_mr(struct nes_device *nesdev, struct nes_pd *nespd,
barrier();
atomic_set(&cqp_request->refcount, 2);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
/* Wait for CQP */
ret = wait_event_timeout(cqp_request->waitq, (0 != cqp_request->request_done),
@ -2105,15 +1996,8 @@ static int nes_reg_mr(struct nes_device *nesdev, struct nes_pd *nespd,
" CQP Major:Minor codes = 0x%04X:0x%04X.\n",
stag, ret, cqp_request->major_code, cqp_request->minor_code);
major_code = cqp_request->major_code;
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
nes_put_cqp_request(nesdev, cqp_request);
if (!ret)
return -ETIME;
else if (major_code)
@ -2754,7 +2638,7 @@ static int nes_dereg_mr(struct ib_mr *ib_mr)
set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_STAG_WQE_STAG_IDX, ib_mr->rkey);
atomic_set(&cqp_request->refcount, 2);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
/* Wait for CQP */
nes_debug(NES_DBG_MR, "Waiting for deallocate STag 0x%08X completed\n", ib_mr->rkey);
@ -2771,15 +2655,9 @@ static int nes_dereg_mr(struct ib_mr *ib_mr)
major_code = cqp_request->major_code;
minor_code = cqp_request->minor_code;
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
nes_put_cqp_request(nesdev, cqp_request);
if (!ret) {
nes_debug(NES_DBG_MR, "Timeout waiting to destroy STag,"
" ib_mr=%p, rkey = 0x%08X\n",
@ -2904,7 +2782,6 @@ int nes_hw_modify_qp(struct nes_device *nesdev, struct nes_qp *nesqp,
/* struct iw_cm_id *cm_id = nesqp->cm_id; */
/* struct iw_cm_event cm_event; */
struct nes_cqp_request *cqp_request;
unsigned long flags;
int ret;
u16 major_code;
@ -2932,7 +2809,7 @@ int nes_hw_modify_qp(struct nes_device *nesdev, struct nes_qp *nesqp,
set_wqe_64bit_value(cqp_wqe->wqe_words, NES_CQP_QP_WQE_CONTEXT_LOW_IDX, (u64)nesqp->nesqp_context_pbase);
atomic_set(&cqp_request->refcount, 2);
nes_post_cqp_request(nesdev, cqp_request, NES_CQP_REQUEST_RING_DOORBELL);
nes_post_cqp_request(nesdev, cqp_request);
/* Wait for CQP */
if (wait_completion) {
@ -2950,15 +2827,9 @@ int nes_hw_modify_qp(struct nes_device *nesdev, struct nes_qp *nesqp,
nesqp->hwqp.qp_id, cqp_request->major_code,
cqp_request->minor_code, next_iwarp_state);
}
if (atomic_dec_and_test(&cqp_request->refcount)) {
if (cqp_request->dynamic) {
kfree(cqp_request);
} else {
spin_lock_irqsave(&nesdev->cqp.lock, flags);
list_add_tail(&cqp_request->list, &nesdev->cqp_avail_reqs);
spin_unlock_irqrestore(&nesdev->cqp.lock, flags);
}
}
nes_put_cqp_request(nesdev, cqp_request);
if (!ret)
return -ETIME;
else if (major_code)

1
drivers/infiniband/ulp/ipoib/Kconfig
View File

@ -1,6 +1,7 @@
config INFINIBAND_IPOIB
tristate "IP-over-InfiniBand"
depends on NETDEVICES && INET && (IPV6 || IPV6=n)
select INET_LRO
---help---
Support for the IP-over-InfiniBand protocol (IPoIB). This
transports IP packets over InfiniBand so you can use your IB

48
drivers/infiniband/ulp/ipoib/ipoib.h
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: ipoib.h 1358 2004-12-17 22:00:11Z roland $
*/
#ifndef _IPOIB_H
@ -52,9 +50,16 @@
#include <rdma/ib_verbs.h>
#include <rdma/ib_pack.h>
#include <rdma/ib_sa.h>
#include <linux/inet_lro.h>
/* constants */
enum ipoib_flush_level {
IPOIB_FLUSH_LIGHT,
IPOIB_FLUSH_NORMAL,
IPOIB_FLUSH_HEAVY
};
enum {
IPOIB_ENCAP_LEN = 4,
@ -65,8 +70,8 @@ enum {
IPOIB_CM_BUF_SIZE = IPOIB_CM_MTU + IPOIB_ENCAP_LEN,
IPOIB_CM_HEAD_SIZE = IPOIB_CM_BUF_SIZE % PAGE_SIZE,
IPOIB_CM_RX_SG = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE,
IPOIB_RX_RING_SIZE = 128,
IPOIB_TX_RING_SIZE = 64,
IPOIB_RX_RING_SIZE = 256,
IPOIB_TX_RING_SIZE = 128,
IPOIB_MAX_QUEUE_SIZE = 8192,
IPOIB_MIN_QUEUE_SIZE = 2,
IPOIB_CM_MAX_CONN_QP = 4096,
@ -84,7 +89,6 @@ enum {
IPOIB_FLAG_SUBINTERFACE = 5,
IPOIB_MCAST_RUN = 6,
IPOIB_STOP_REAPER = 7,
IPOIB_MCAST_STARTED = 8,
IPOIB_FLAG_ADMIN_CM = 9,
IPOIB_FLAG_UMCAST = 10,
IPOIB_FLAG_CSUM = 11,
@ -96,7 +100,11 @@ enum {
IPOIB_MCAST_FLAG_BUSY = 2, /* joining or already joined */
IPOIB_MCAST_FLAG_ATTACHED = 3,
IPOIB_MAX_LRO_DESCRIPTORS = 8,
IPOIB_LRO_MAX_AGGR = 64,
MAX_SEND_CQE = 16,
IPOIB_CM_COPYBREAK = 256,
};
#define IPOIB_OP_RECV (1ul << 31)
@ -149,6 +157,11 @@ struct ipoib_tx_buf {
u64 mapping[MAX_SKB_FRAGS + 1];
};
struct ipoib_cm_tx_buf {
struct sk_buff *skb;
u64 mapping;
};
struct ib_cm_id;
struct ipoib_cm_data {
@ -207,7 +220,7 @@ struct ipoib_cm_tx {
struct net_device *dev;
struct ipoib_neigh *neigh;
struct ipoib_path *path;
struct ipoib_tx_buf *tx_ring;
struct ipoib_cm_tx_buf *tx_ring;
unsigned tx_head;
unsigned tx_tail;
unsigned long flags;
@ -249,6 +262,11 @@ struct ipoib_ethtool_st {
u16 max_coalesced_frames;
};
struct ipoib_lro {
struct net_lro_mgr lro_mgr;
struct net_lro_desc lro_desc[IPOIB_MAX_LRO_DESCRIPTORS];
};
/*
* Device private locking: tx_lock protects members used in TX fast
* path (and we use LLTX so upper layers don't do extra locking).
@ -264,7 +282,6 @@ struct ipoib_dev_priv {
unsigned long flags;
struct mutex mcast_mutex;
struct mutex vlan_mutex;
struct rb_root path_tree;
@ -276,10 +293,11 @@ struct ipoib_dev_priv {
struct delayed_work pkey_poll_task;
struct delayed_work mcast_task;
struct work_struct flush_task;
struct work_struct flush_light;
struct work_struct flush_normal;
struct work_struct flush_heavy;
struct work_struct restart_task;
struct delayed_work ah_reap_task;
struct work_struct pkey_event_task;
struct ib_device *ca;
u8 port;
@ -335,6 +353,8 @@ struct ipoib_dev_priv {
int hca_caps;
struct ipoib_ethtool_st ethtool;
struct timer_list poll_timer;
struct ipoib_lro lro;
};
struct ipoib_ah {
@ -359,6 +379,7 @@ struct ipoib_path {
struct rb_node rb_node;
struct list_head list;
int valid;
};
struct ipoib_neigh {
@ -423,11 +444,14 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb,
struct ipoib_ah *address, u32 qpn);
void ipoib_reap_ah(struct work_struct *work);
void ipoib_mark_paths_invalid(struct net_device *dev);
void ipoib_flush_paths(struct net_device *dev);
struct ipoib_dev_priv *ipoib_intf_alloc(const char *format);
int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port);
void ipoib_ib_dev_flush(struct work_struct *work);
void ipoib_ib_dev_flush_light(struct work_struct *work);
void ipoib_ib_dev_flush_normal(struct work_struct *work);
void ipoib_ib_dev_flush_heavy(struct work_struct *work);
void ipoib_pkey_event(struct work_struct *work);
void ipoib_ib_dev_cleanup(struct net_device *dev);
@ -466,9 +490,7 @@ void ipoib_path_iter_read(struct ipoib_path_iter *iter,
#endif
int ipoib_mcast_attach(struct net_device *dev, u16 mlid,
union ib_gid *mgid);
int ipoib_mcast_detach(struct net_device *dev, u16 mlid,
union ib_gid *mgid);
union ib_gid *mgid, int set_qkey);
int ipoib_init_qp(struct net_device *dev);
int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca);

104
drivers/infiniband/ulp/ipoib/ipoib_cm.c
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id$
*/
#include <rdma/ib_cm.h>
@ -113,18 +111,20 @@ static int ipoib_cm_post_receive_srq(struct net_device *dev, int id)
}
static int ipoib_cm_post_receive_nonsrq(struct net_device *dev,
struct ipoib_cm_rx *rx, int id)
struct ipoib_cm_rx *rx,
struct ib_recv_wr *wr,
struct ib_sge *sge, int id)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ib_recv_wr *bad_wr;
int i, ret;
priv->cm.rx_wr.wr_id = id | IPOIB_OP_CM | IPOIB_OP_RECV;
wr->wr_id = id | IPOIB_OP_CM | IPOIB_OP_RECV;
for (i = 0; i < IPOIB_CM_RX_SG; ++i)
priv->cm.rx_sge[i].addr = rx->rx_ring[id].mapping[i];
sge[i].addr = rx->rx_ring[id].mapping[i];
ret = ib_post_recv(rx->qp, &priv->cm.rx_wr, &bad_wr);
ret = ib_post_recv(rx->qp, wr, &bad_wr);
if (unlikely(ret)) {
ipoib_warn(priv, "post recv failed for buf %d (%d)\n", id, ret);
ipoib_cm_dma_unmap_rx(priv, IPOIB_CM_RX_SG - 1,
@ -322,10 +322,33 @@ static int ipoib_cm_modify_rx_qp(struct net_device *dev,
return 0;
}
static void ipoib_cm_init_rx_wr(struct net_device *dev,
struct ib_recv_wr *wr,
struct ib_sge *sge)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
int i;
for (i = 0; i < priv->cm.num_frags; ++i)
sge[i].lkey = priv->mr->lkey;
sge[0].length = IPOIB_CM_HEAD_SIZE;
for (i = 1; i < priv->cm.num_frags; ++i)
sge[i].length = PAGE_SIZE;
wr->next = NULL;
wr->sg_list = priv->cm.rx_sge;
wr->num_sge = priv->cm.num_frags;
}
static int ipoib_cm_nonsrq_init_rx(struct net_device *dev, struct ib_cm_id *cm_id,
struct ipoib_cm_rx *rx)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct {
struct ib_recv_wr wr;
struct ib_sge sge[IPOIB_CM_RX_SG];
} *t;
int ret;
int i;
@ -333,6 +356,14 @@ static int ipoib_cm_nonsrq_init_rx(struct net_device *dev, struct ib_cm_id *cm_i
if (!rx->rx_ring)
return -ENOMEM;
t = kmalloc(sizeof *t, GFP_KERNEL);
if (!t) {
ret = -ENOMEM;
goto err_free;
}
ipoib_cm_init_rx_wr(dev, &t->wr, t->sge);
spin_lock_irq(&priv->lock);
if (priv->cm.nonsrq_conn_qp >= ipoib_max_conn_qp) {
@ -351,8 +382,8 @@ static int ipoib_cm_nonsrq_init_rx(struct net_device *dev, struct ib_cm_id *cm_i
ipoib_warn(priv, "failed to allocate receive buffer %d\n", i);
ret = -ENOMEM;
goto err_count;
}
ret = ipoib_cm_post_receive_nonsrq(dev, rx, i);
}
ret = ipoib_cm_post_receive_nonsrq(dev, rx, &t->wr, t->sge, i);
if (ret) {
ipoib_warn(priv, "ipoib_cm_post_receive_nonsrq "
"failed for buf %d\n", i);
@ -363,6 +394,8 @@ static int ipoib_cm_nonsrq_init_rx(struct net_device *dev, struct ib_cm_id *cm_i
rx->recv_count = ipoib_recvq_size;
kfree(t);
return 0;
err_count:
@ -371,6 +404,7 @@ static int ipoib_cm_nonsrq_init_rx(struct net_device *dev, struct ib_cm_id *cm_i
spin_unlock_irq(&priv->lock);
err_free:
kfree(t);
ipoib_cm_free_rx_ring(dev, rx->rx_ring);
return ret;
@ -525,6 +559,7 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
u64 mapping[IPOIB_CM_RX_SG];
int frags;
int has_srq;
struct sk_buff *small_skb;
ipoib_dbg_data(priv, "cm recv completion: id %d, status: %d\n",
wr_id, wc->status);
@ -579,6 +614,23 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
}
}
if (wc->byte_len < IPOIB_CM_COPYBREAK) {
int dlen = wc->byte_len;
small_skb = dev_alloc_skb(dlen + 12);
if (small_skb) {
skb_reserve(small_skb, 12);
ib_dma_sync_single_for_cpu(priv->ca, rx_ring[wr_id].mapping[0],
dlen, DMA_FROM_DEVICE);
skb_copy_from_linear_data(skb, small_skb->data, dlen);
ib_dma_sync_single_for_device(priv->ca, rx_ring[wr_id].mapping[0],
dlen, DMA_FROM_DEVICE);
skb_put(small_skb, dlen);
skb = small_skb;
goto copied;
}
}
frags = PAGE_ALIGN(wc->byte_len - min(wc->byte_len,
(unsigned)IPOIB_CM_HEAD_SIZE)) / PAGE_SIZE;
@ -601,6 +653,7 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
skb_put_frags(skb, IPOIB_CM_HEAD_SIZE, wc->byte_len, newskb);
copied:
skb->protocol = ((struct ipoib_header *) skb->data)->proto;
skb_reset_mac_header(skb);
skb_pull(skb, IPOIB_ENCAP_LEN);
@ -620,7 +673,10 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
ipoib_warn(priv, "ipoib_cm_post_receive_srq failed "
"for buf %d\n", wr_id);
} else {
if (unlikely(ipoib_cm_post_receive_nonsrq(dev, p, wr_id))) {
if (unlikely(ipoib_cm_post_receive_nonsrq(dev, p,
&priv->cm.rx_wr,
priv->cm.rx_sge,
wr_id))) {
--p->recv_count;
ipoib_warn(priv, "ipoib_cm_post_receive_nonsrq failed "
"for buf %d\n", wr_id);
@ -647,7 +703,7 @@ static inline int post_send(struct ipoib_dev_priv *priv,
void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_tx_buf *tx_req;
struct ipoib_cm_tx_buf *tx_req;
u64 addr;
if (unlikely(skb->len > tx->mtu)) {
@ -678,7 +734,7 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
return;
}
tx_req->mapping[0] = addr;
tx_req->mapping = addr;
if (unlikely(post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1),
addr, skb->len))) {
@ -703,7 +759,7 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc)
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_cm_tx *tx = wc->qp->qp_context;
unsigned int wr_id = wc->wr_id & ~IPOIB_OP_CM;
struct ipoib_tx_buf *tx_req;
struct ipoib_cm_tx_buf *tx_req;
unsigned long flags;
ipoib_dbg_data(priv, "cm send completion: id %d, status: %d\n",
@ -717,7 +773,7 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc)
tx_req = &tx->tx_ring[wr_id];
ib_dma_unmap_single(priv->ca, tx_req->mapping[0], tx_req->skb->len, DMA_TO_DEVICE);
ib_dma_unmap_single(priv->ca, tx_req->mapping, tx_req->skb->len, DMA_TO_DEVICE);
/* FIXME: is this right? Shouldn't we only increment on success? */
++dev->stats.tx_packets;
@ -1087,7 +1143,7 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn,
static void ipoib_cm_tx_destroy(struct ipoib_cm_tx *p)
{
struct ipoib_dev_priv *priv = netdev_priv(p->dev);
struct ipoib_tx_buf *tx_req;
struct ipoib_cm_tx_buf *tx_req;
unsigned long flags;
unsigned long begin;
@ -1115,7 +1171,7 @@ static void ipoib_cm_tx_destroy(struct ipoib_cm_tx *p)
while ((int) p->tx_tail - (int) p->tx_head < 0) {
tx_req = &p->tx_ring[p->tx_tail & (ipoib_sendq_size - 1)];
ib_dma_unmap_single(priv->ca, tx_req->mapping[0], tx_req->skb->len,
ib_dma_unmap_single(priv->ca, tx_req->mapping, tx_req->skb->len,
DMA_TO_DEVICE);
dev_kfree_skb_any(tx_req->skb);
++p->tx_tail;
@ -1384,7 +1440,9 @@ static ssize_t set_mode(struct device *d, struct device_attribute *attr,
ipoib_warn(priv, "enabling connected mode "
"will cause multicast packet drops\n");
rtnl_lock();
dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO);
rtnl_unlock();
priv->tx_wr.send_flags &= ~IB_SEND_IP_CSUM;
ipoib_flush_paths(dev);
@ -1393,14 +1451,16 @@ static ssize_t set_mode(struct device *d, struct device_attribute *attr,
if (!strcmp(buf, "datagram\n")) {
clear_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags);
dev->mtu = min(priv->mcast_mtu, dev->mtu);
ipoib_flush_paths(dev);
rtnl_lock();
if (test_bit(IPOIB_FLAG_CSUM, &priv->flags)) {
dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
if (priv->hca_caps & IB_DEVICE_UD_TSO)
dev->features |= NETIF_F_TSO;
}
dev_set_mtu(dev, min(priv->mcast_mtu, dev->mtu));
rtnl_unlock();
ipoib_flush_paths(dev);
return count;
}
@ -1485,15 +1545,7 @@ int ipoib_cm_dev_init(struct net_device *dev)
priv->cm.num_frags = IPOIB_CM_RX_SG;
}
for (i = 0; i < priv->cm.num_frags; ++i)
priv->cm.rx_sge[i].lkey = priv->mr->lkey;
priv->cm.rx_sge[0].length = IPOIB_CM_HEAD_SIZE;
for (i = 1; i < priv->cm.num_frags; ++i)
priv->cm.rx_sge[i].length = PAGE_SIZE;
priv->cm.rx_wr.next = NULL;
priv->cm.rx_wr.sg_list = priv->cm.rx_sge;
priv->cm.rx_wr.num_sge = priv->cm.num_frags;
ipoib_cm_init_rx_wr(dev, &priv->cm.rx_wr, priv->cm.rx_sge);
if (ipoib_cm_has_srq(dev)) {
for (i = 0; i < ipoib_recvq_size; ++i) {

46
drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
View File

@ -86,11 +86,57 @@ static int ipoib_set_coalesce(struct net_device *dev,
return 0;
}
static const char ipoib_stats_keys[][ETH_GSTRING_LEN] = {
"LRO aggregated", "LRO flushed",
"LRO avg aggr", "LRO no desc"
};
static void ipoib_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
switch (stringset) {
case ETH_SS_STATS:
memcpy(data, *ipoib_stats_keys, sizeof(ipoib_stats_keys));
break;
}
}
static int ipoib_get_sset_count(struct net_device *dev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
return ARRAY_SIZE(ipoib_stats_keys);
default:
return -EOPNOTSUPP;
}
}
static void ipoib_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, uint64_t *data)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
int index = 0;
/* Get LRO statistics */
data[index++] = priv->lro.lro_mgr.stats.aggregated;
data[index++] = priv->lro.lro_mgr.stats.flushed;
if (priv->lro.lro_mgr.stats.flushed)
data[index++] = priv->lro.lro_mgr.stats.aggregated /
priv->lro.lro_mgr.stats.flushed;
else
data[index++] = 0;
data[index++] = priv->lro.lro_mgr.stats.no_desc;
}
static const struct ethtool_ops ipoib_ethtool_ops = {
.get_drvinfo = ipoib_get_drvinfo,
.get_tso = ethtool_op_get_tso,
.get_coalesce = ipoib_get_coalesce,
.set_coalesce = ipoib_set_coalesce,
.get_flags = ethtool_op_get_flags,
.set_flags = ethtool_op_set_flags,
.get_strings = ipoib_get_strings,
.get_sset_count = ipoib_get_sset_count,
.get_ethtool_stats = ipoib_get_ethtool_stats,
};
void ipoib_set_ethtool_ops(struct net_device *dev)

2
drivers/infiniband/ulp/ipoib/ipoib_fs.c
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: ipoib_fs.c 1389 2004-12-27 22:56:47Z roland $
*/
#include <linux/err.h>

52
drivers/infiniband/ulp/ipoib/ipoib_ib.c
View File

@ -31,8 +31,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: ipoib_ib.c 1386 2004-12-27 16:23:17Z roland $
*/
#include <linux/delay.h>
@ -290,7 +288,10 @@ static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
if (test_bit(IPOIB_FLAG_CSUM, &priv->flags) && likely(wc->csum_ok))
skb->ip_summed = CHECKSUM_UNNECESSARY;
netif_receive_skb(skb);
if (dev->features & NETIF_F_LRO)
lro_receive_skb(&priv->lro.lro_mgr, skb, NULL);
else
netif_receive_skb(skb);
repost:
if (unlikely(ipoib_ib_post_receive(dev, wr_id)))
@ -442,6 +443,9 @@ int ipoib_poll(struct napi_struct *napi, int budget)
}
if (done < budget) {
if (dev->features & NETIF_F_LRO)
lro_flush_all(&priv->lro.lro_mgr);
netif_rx_complete(dev, napi);
if (unlikely(ib_req_notify_cq(priv->recv_cq,
IB_CQ_NEXT_COMP |
@ -898,7 +902,8 @@ int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port)
return 0;
}
static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, int pkey_event)
static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv,
enum ipoib_flush_level level)
{
struct ipoib_dev_priv *cpriv;
struct net_device *dev = priv->dev;
@ -911,7 +916,7 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, int pkey_event)
* the parent is down.
*/
list_for_each_entry(cpriv, &priv->child_intfs, list)
__ipoib_ib_dev_flush(cpriv, pkey_event);
__ipoib_ib_dev_flush(cpriv, level);
mutex_unlock(&priv->vlan_mutex);
@ -925,7 +930,7 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, int pkey_event)
return;
}
if (pkey_event) {
if (level == IPOIB_FLUSH_HEAVY) {
if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &new_index)) {
clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
ipoib_ib_dev_down(dev, 0);
@ -943,11 +948,15 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, int pkey_event)
priv->pkey_index = new_index;
}
ipoib_dbg(priv, "flushing\n");
if (level == IPOIB_FLUSH_LIGHT) {
ipoib_mark_paths_invalid(dev);
ipoib_mcast_dev_flush(dev);
}
ipoib_ib_dev_down(dev, 0);
if (level >= IPOIB_FLUSH_NORMAL)
ipoib_ib_dev_down(dev, 0);
if (pkey_event) {
if (level == IPOIB_FLUSH_HEAVY) {
ipoib_ib_dev_stop(dev, 0);
ipoib_ib_dev_open(dev);
}
@ -957,27 +966,34 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, int pkey_event)
* we get here, don't bring it back up if it's not configured up
*/
if (test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags)) {
ipoib_ib_dev_up(dev);
if (level >= IPOIB_FLUSH_NORMAL)
ipoib_ib_dev_up(dev);
ipoib_mcast_restart_task(&priv->restart_task);
}
}
void ipoib_ib_dev_flush(struct work_struct *work)
void ipoib_ib_dev_flush_light(struct work_struct *work)
{
struct ipoib_dev_priv *priv =
container_of(work, struct ipoib_dev_priv, flush_task);
container_of(work, struct ipoib_dev_priv, flush_light);
ipoib_dbg(priv, "Flushing %s\n", priv->dev->name);
__ipoib_ib_dev_flush(priv, 0);
__ipoib_ib_dev_flush(priv, IPOIB_FLUSH_LIGHT);
}
void ipoib_pkey_event(struct work_struct *work)
void ipoib_ib_dev_flush_normal(struct work_struct *work)
{
struct ipoib_dev_priv *priv =
container_of(work, struct ipoib_dev_priv, pkey_event_task);
container_of(work, struct ipoib_dev_priv, flush_normal);
ipoib_dbg(priv, "Flushing %s and restarting its QP\n", priv->dev->name);
__ipoib_ib_dev_flush(priv, 1);
__ipoib_ib_dev_flush(priv, IPOIB_FLUSH_NORMAL);
}
void ipoib_ib_dev_flush_heavy(struct work_struct *work)
{
struct ipoib_dev_priv *priv =
container_of(work, struct ipoib_dev_priv, flush_heavy);
__ipoib_ib_dev_flush(priv, IPOIB_FLUSH_HEAVY);
}
void ipoib_ib_dev_cleanup(struct net_device *dev)

115
drivers/infiniband/ulp/ipoib/ipoib_main.c
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: ipoib_main.c 1377 2004-12-23 19:57:12Z roland $
*/
#include "ipoib.h"
@ -62,6 +60,15 @@ MODULE_PARM_DESC(send_queue_size, "Number of descriptors in send queue");
module_param_named(recv_queue_size, ipoib_recvq_size, int, 0444);
MODULE_PARM_DESC(recv_queue_size, "Number of descriptors in receive queue");
static int lro;
module_param(lro, bool, 0444);
MODULE_PARM_DESC(lro, "Enable LRO (Large Receive Offload)");
static int lro_max_aggr = IPOIB_LRO_MAX_AGGR;
module_param(lro_max_aggr, int, 0644);
MODULE_PARM_DESC(lro_max_aggr, "LRO: Max packets to be aggregated "
"(default = 64)");
#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
int ipoib_debug_level;
@ -350,6 +357,23 @@ void ipoib_path_iter_read(struct ipoib_path_iter *iter,
#endif /* CONFIG_INFINIBAND_IPOIB_DEBUG */
void ipoib_mark_paths_invalid(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_path *path, *tp;
spin_lock_irq(&priv->lock);
list_for_each_entry_safe(path, tp, &priv->path_list, list) {
ipoib_dbg(priv, "mark path LID 0x%04x GID " IPOIB_GID_FMT " invalid\n",
be16_to_cpu(path->pathrec.dlid),
IPOIB_GID_ARG(path->pathrec.dgid));
path->valid = 0;
}
spin_unlock_irq(&priv->lock);
}
void ipoib_flush_paths(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
@ -386,6 +410,7 @@ static void path_rec_completion(int status,
struct net_device *dev = path->dev;
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_ah *ah = NULL;
struct ipoib_ah *old_ah;
struct ipoib_neigh *neigh, *tn;
struct sk_buff_head skqueue;
struct sk_buff *skb;
@ -409,6 +434,7 @@ static void path_rec_completion(int status,
spin_lock_irqsave(&priv->lock, flags);
old_ah = path->ah;
path->ah = ah;
if (ah) {
@ -421,6 +447,17 @@ static void path_rec_completion(int status,
__skb_queue_tail(&skqueue, skb);
list_for_each_entry_safe(neigh, tn, &path->neigh_list, list) {
if (neigh->ah) {
WARN_ON(neigh->ah != old_ah);
/*
* Dropping the ah reference inside
* priv->lock is safe here, because we
* will hold one more reference from
* the original value of path->ah (ie
* old_ah).
*/
ipoib_put_ah(neigh->ah);
}
kref_get(&path->ah->ref);
neigh->ah = path->ah;
memcpy(&neigh->dgid.raw, &path->pathrec.dgid.raw,
@ -443,6 +480,7 @@ static void path_rec_completion(int status,
while ((skb = __skb_dequeue(&neigh->queue)))
__skb_queue_tail(&skqueue, skb);
}
path->valid = 1;
}
path->query = NULL;
@ -450,6 +488,9 @@ static void path_rec_completion(int status,
spin_unlock_irqrestore(&priv->lock, flags);
if (old_ah)
ipoib_put_ah(old_ah);
while ((skb = __skb_dequeue(&skqueue))) {
skb->dev = dev;
if (dev_queue_xmit(skb))
@ -623,8 +664,9 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
spin_lock(&priv->lock);
path = __path_find(dev, phdr->hwaddr + 4);
if (!path) {
path = path_rec_create(dev, phdr->hwaddr + 4);
if (!path || !path->valid) {
if (!path)
path = path_rec_create(dev, phdr->hwaddr + 4);
if (path) {
/* put pseudoheader back on for next time */
skb_push(skb, sizeof *phdr);
@ -938,6 +980,54 @@ static const struct header_ops ipoib_header_ops = {
.create = ipoib_hard_header,
};
static int get_skb_hdr(struct sk_buff *skb, void **iphdr,
void **tcph, u64 *hdr_flags, void *priv)
{
unsigned int ip_len;
struct iphdr *iph;
if (unlikely(skb->protocol != htons(ETH_P_IP)))
return -1;
/*
* In the future we may add an else clause that verifies the
* checksum and allows devices which do not calculate checksum
* to use LRO.
*/
if (unlikely(skb->ip_summed != CHECKSUM_UNNECESSARY))
return -1;
/* Check for non-TCP packet */
skb_reset_network_header(skb);
iph = ip_hdr(skb);
if (iph->protocol != IPPROTO_TCP)
return -1;
ip_len = ip_hdrlen(skb);
skb_set_transport_header(skb, ip_len);
*tcph = tcp_hdr(skb);
/* check if IP header and TCP header are complete */
if (ntohs(iph->tot_len) < ip_len + tcp_hdrlen(skb))
return -1;
*hdr_flags = LRO_IPV4 | LRO_TCP;
*iphdr = iph;
return 0;
}
static void ipoib_lro_setup(struct ipoib_dev_priv *priv)
{
priv->lro.lro_mgr.max_aggr = lro_max_aggr;
priv->lro.lro_mgr.max_desc = IPOIB_MAX_LRO_DESCRIPTORS;
priv->lro.lro_mgr.lro_arr = priv->lro.lro_desc;
priv->lro.lro_mgr.get_skb_header = get_skb_hdr;
priv->lro.lro_mgr.features = LRO_F_NAPI;
priv->lro.lro_mgr.dev = priv->dev;
priv->lro.lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY;
}
static void ipoib_setup(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
@ -977,10 +1067,11 @@ static void ipoib_setup(struct net_device *dev)
priv->dev = dev;
ipoib_lro_setup(priv);
spin_lock_init(&priv->lock);
spin_lock_init(&priv->tx_lock);
mutex_init(&priv->mcast_mutex);
mutex_init(&priv->vlan_mutex);
INIT_LIST_HEAD(&priv->path_list);
@ -989,9 +1080,10 @@ static void ipoib_setup(struct net_device *dev)
INIT_LIST_HEAD(&priv->multicast_list);
INIT_DELAYED_WORK(&priv->pkey_poll_task, ipoib_pkey_poll);
INIT_WORK(&priv->pkey_event_task, ipoib_pkey_event);
INIT_DELAYED_WORK(&priv->mcast_task, ipoib_mcast_join_task);
INIT_WORK(&priv->flush_task, ipoib_ib_dev_flush);
INIT_WORK(&priv->flush_light, ipoib_ib_dev_flush_light);
INIT_WORK(&priv->flush_normal, ipoib_ib_dev_flush_normal);
INIT_WORK(&priv->flush_heavy, ipoib_ib_dev_flush_heavy);
INIT_WORK(&priv->restart_task, ipoib_mcast_restart_task);
INIT_DELAYED_WORK(&priv->ah_reap_task, ipoib_reap_ah);
}
@ -1154,6 +1246,9 @@ static struct net_device *ipoib_add_port(const char *format,
priv->dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
}
if (lro)
priv->dev->features |= NETIF_F_LRO;
/*
* Set the full membership bit, so that we join the right
* broadcast group, etc.
@ -1304,6 +1399,12 @@ static int __init ipoib_init_module(void)
ipoib_max_conn_qp = min(ipoib_max_conn_qp, IPOIB_CM_MAX_CONN_QP);
#endif
/*
* When copying small received packets, we only copy from the
* linear data part of the SKB, so we rely on this condition.
*/
BUILD_BUG_ON(IPOIB_CM_COPYBREAK > IPOIB_CM_HEAD_SIZE);
ret = ipoib_register_debugfs();
if (ret)
return ret;

27
drivers/infiniband/ulp/ipoib/ipoib_multicast.c
View File

@ -30,8 +30,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: ipoib_multicast.c 1362 2004-12-18 15:56:29Z roland $
*/
#include <linux/skbuff.h>
@ -188,6 +186,7 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_ah *ah;
int ret;
int set_qkey = 0;
mcast->mcmember = *mcmember;
@ -202,6 +201,7 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
priv->qkey = be32_to_cpu(priv->broadcast->mcmember.qkey);
spin_unlock_irq(&priv->lock);
priv->tx_wr.wr.ud.remote_qkey = priv->qkey;
set_qkey = 1;
}
if (!test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
@ -214,7 +214,7 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
}
ret = ipoib_mcast_attach(dev, be16_to_cpu(mcast->mcmember.mlid),
&mcast->mcmember.mgid);
&mcast->mcmember.mgid, set_qkey);
if (ret < 0) {
ipoib_warn(priv, "couldn't attach QP to multicast group "
IPOIB_GID_FMT "\n",
@ -575,8 +575,11 @@ void ipoib_mcast_join_task(struct work_struct *work)
priv->mcast_mtu = IPOIB_UD_MTU(ib_mtu_enum_to_int(priv->broadcast->mcmember.mtu));
if (!ipoib_cm_admin_enabled(dev))
dev->mtu = min(priv->mcast_mtu, priv->admin_mtu);
if (!ipoib_cm_admin_enabled(dev)) {
rtnl_lock();
dev_set_mtu(dev, min(priv->mcast_mtu, priv->admin_mtu));
rtnl_unlock();
}
ipoib_dbg_mcast(priv, "successfully joined all multicast groups\n");
@ -594,10 +597,6 @@ int ipoib_mcast_start_thread(struct net_device *dev)
queue_delayed_work(ipoib_workqueue, &priv->mcast_task, 0);
mutex_unlock(&mcast_mutex);
spin_lock_irq(&priv->lock);
set_bit(IPOIB_MCAST_STARTED, &priv->flags);
spin_unlock_irq(&priv->lock);
return 0;
}
@ -607,10 +606,6 @@ int ipoib_mcast_stop_thread(struct net_device *dev, int flush)
ipoib_dbg_mcast(priv, "stopping multicast thread\n");
spin_lock_irq(&priv->lock);
clear_bit(IPOIB_MCAST_STARTED, &priv->flags);
spin_unlock_irq(&priv->lock);
mutex_lock(&mcast_mutex);
clear_bit(IPOIB_MCAST_RUN, &priv->flags);
cancel_delayed_work(&priv->mcast_task);
@ -635,10 +630,10 @@ static int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast)
IPOIB_GID_ARG(mcast->mcmember.mgid));
/* Remove ourselves from the multicast group */
ret = ipoib_mcast_detach(dev, be16_to_cpu(mcast->mcmember.mlid),
&mcast->mcmember.mgid);
ret = ib_detach_mcast(priv->qp, &mcast->mcmember.mgid,
be16_to_cpu(mcast->mcmember.mlid));
if (ret)
ipoib_warn(priv, "ipoib_mcast_detach failed (result = %d)\n", ret);
ipoib_warn(priv, "ib_detach_mcast failed (result = %d)\n", ret);
}
return 0;

69
drivers/infiniband/ulp/ipoib/ipoib_verbs.c
View File

@ -29,24 +29,17 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: ipoib_verbs.c 1349 2004-12-16 21:09:43Z roland $
*/
#include "ipoib.h"
int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid)
int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid, int set_qkey)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ib_qp_attr *qp_attr;
struct ib_qp_attr *qp_attr = NULL;
int ret;
u16 pkey_index;
ret = -ENOMEM;
qp_attr = kmalloc(sizeof *qp_attr, GFP_KERNEL);
if (!qp_attr)
goto out;
if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &pkey_index)) {
clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
ret = -ENXIO;
@ -54,18 +47,23 @@ int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid)
}
set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
/* set correct QKey for QP */
qp_attr->qkey = priv->qkey;
ret = ib_modify_qp(priv->qp, qp_attr, IB_QP_QKEY);
if (ret) {
ipoib_warn(priv, "failed to modify QP, ret = %d\n", ret);
goto out;
if (set_qkey) {
ret = -ENOMEM;
qp_attr = kmalloc(sizeof *qp_attr, GFP_KERNEL);
if (!qp_attr)
goto out;
/* set correct QKey for QP */
qp_attr->qkey = priv->qkey;
ret = ib_modify_qp(priv->qp, qp_attr, IB_QP_QKEY);
if (ret) {
ipoib_warn(priv, "failed to modify QP, ret = %d\n", ret);
goto out;
}
}
/* attach QP to multicast group */
mutex_lock(&priv->mcast_mutex);
ret = ib_attach_mcast(priv->qp, mgid, mlid);
mutex_unlock(&priv->mcast_mutex);
if (ret)
ipoib_warn(priv, "failed to attach to multicast group, ret = %d\n", ret);
@ -74,20 +72,6 @@ int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid)
return ret;
}
int ipoib_mcast_detach(struct net_device *dev, u16 mlid, union ib_gid *mgid)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
int ret;
mutex_lock(&priv->mcast_mutex);
ret = ib_detach_mcast(priv->qp, mgid, mlid);
mutex_unlock(&priv->mcast_mutex);
if (ret)
ipoib_warn(priv, "ib_detach_mcast failed (result = %d)\n", ret);
return ret;
}
int ipoib_init_qp(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
@ -201,7 +185,10 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
init_attr.recv_cq = priv->recv_cq;
if (priv->hca_caps & IB_DEVICE_UD_TSO)
init_attr.create_flags = IB_QP_CREATE_IPOIB_UD_LSO;
init_attr.create_flags |= IB_QP_CREATE_IPOIB_UD_LSO;
if (priv->hca_caps & IB_DEVICE_BLOCK_MULTICAST_LOOPBACK)
init_attr.create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK;
if (dev->features & NETIF_F_SG)
init_attr.cap.max_send_sge = MAX_SKB_FRAGS + 1;
@ -289,15 +276,17 @@ void ipoib_event(struct ib_event_handler *handler,
if (record->element.port_num != priv->port)
return;
if (record->event == IB_EVENT_PORT_ERR ||
record->event == IB_EVENT_PORT_ACTIVE ||
record->event == IB_EVENT_LID_CHANGE ||
record->event == IB_EVENT_SM_CHANGE ||
ipoib_dbg(priv, "Event %d on device %s port %d\n", record->event,
record->device->name, record->element.port_num);
if (record->event == IB_EVENT_SM_CHANGE ||
record->event == IB_EVENT_CLIENT_REREGISTER) {
ipoib_dbg(priv, "Port state change event\n");
queue_work(ipoib_workqueue, &priv->flush_task);
queue_work(ipoib_workqueue, &priv->flush_light);
} else if (record->event == IB_EVENT_PORT_ERR ||
record->event == IB_EVENT_PORT_ACTIVE ||
record->event == IB_EVENT_LID_CHANGE) {
queue_work(ipoib_workqueue, &priv->flush_normal);
} else if (record->event == IB_EVENT_PKEY_CHANGE) {
ipoib_dbg(priv, "P_Key change event on port:%d\n", priv->port);
queue_work(ipoib_workqueue, &priv->pkey_event_task);
queue_work(ipoib_workqueue, &priv->flush_heavy);
}
}

2
drivers/infiniband/ulp/ipoib/ipoib_vlan.c
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: ipoib_vlan.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/module.h>

3
drivers/infiniband/ulp/iser/iscsi_iser.c
View File

@ -42,9 +42,6 @@
* Zhenyu Wang
* Modified by:
* Erez Zilber
*
*
* $Id: iscsi_iser.c 6965 2006-05-07 11:36:20Z ogerlitz $
*/
#include <linux/types.h>

2
drivers/infiniband/ulp/iser/iscsi_iser.h
View File

@ -36,8 +36,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: iscsi_iser.h 7051 2006-05-10 12:29:11Z ogerlitz $
*/
#ifndef __ISCSI_ISER_H__
#define __ISCSI_ISER_H__

2
drivers/infiniband/ulp/iser/iser_initiator.c
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: iser_initiator.c 6964 2006-05-07 11:11:43Z ogerlitz $
*/
#include <linux/kernel.h>
#include <linux/slab.h>

2
drivers/infiniband/ulp/iser/iser_memory.c
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: iser_memory.c 6964 2006-05-07 11:11:43Z ogerlitz $
*/
#include <linux/module.h>
#include <linux/kernel.h>

2
drivers/infiniband/ulp/iser/iser_verbs.c
View File

@ -29,8 +29,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: iser_verbs.c 7051 2006-05-10 12:29:11Z ogerlitz $
*/
#include <linux/kernel.h>
#include <linux/module.h>

15
drivers/infiniband/ulp/srp/ib_srp.c
View File

@ -28,8 +28,6 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: ib_srp.c 3932 2005-11-01 17:19:29Z roland $
*/
#include <linux/module.h>
@ -49,8 +47,6 @@
#include <scsi/srp.h>
#include <scsi/scsi_transport_srp.h>
#include <rdma/ib_cache.h>
#include "ib_srp.h"
#define DRV_NAME "ib_srp"
@ -183,10 +179,10 @@ static int srp_init_qp(struct srp_target_port *target,
if (!attr)
return -ENOMEM;
ret = ib_find_cached_pkey(target->srp_host->srp_dev->dev,
target->srp_host->port,
be16_to_cpu(target->path.pkey),
&attr->pkey_index);
ret = ib_find_pkey(target->srp_host->srp_dev->dev,
target->srp_host->port,
be16_to_cpu(target->path.pkey),
&attr->pkey_index);
if (ret)
goto out;
@ -1883,8 +1879,7 @@ static ssize_t srp_create_target(struct device *dev,
if (ret)
goto err;
ib_get_cached_gid(host->srp_dev->dev, host->port, 0,
&target->path.sgid);
ib_query_gid(host->srp_dev->dev, host->port, 0, &target->path.sgid);
shost_printk(KERN_DEBUG, target->scsi_host, PFX
"new target: id_ext %016llx ioc_guid %016llx pkey %04x "

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